how to configure reverse proxy to internal web server

I am using Apache/2.4.29 (Ubuntu) and need to configure it as reverse proxy server for internal web server. my virtual host configuration in like below.

<VirtualHost *:80>

    ServerName      web.example.com
    ServerAlias     web.example.com
    ProxyRequests off
    ProxyPreserveHost On
    ProxyPass / http://192.168.1.15/web/public/
    ProxyPassReverse / http://192.168.1.15/web/public/
    ProxyPassReverseCookiePath / /
    <Location "/">
    Order allow,deny
    Allow from all
    </Location>
    ErrorLog ${APACHE_LOG_DIR}/web-error.log
    CustomLog ${APACHE_LOG_DIR}/web-access.log combined

Expected result: http://web.example.com and Actual result: http://web.example.com/web/public/