Home / 27,388.48-41,078-7,662.40

Finding the Fourth Proportional to 27,388.48, 41,078 and 7,662.40

Calculator

Solution

The fourth proportional to 27,388.48, 41,078 and 7,662.40 is: 11,492.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.48 : 41,078 = 7,662.40 : x
  2. Step 2: Convert to fraction form
    27,388.48/41,078 = 7,662.40/x
  3. Step 3: Cross multiply
    27,388.48x = 41,078 × 7,662.40
  4. Step 4: Simplify right side
    27,388.48x = 314,756,067.20
  5. Step 5: Solve for x
    x = 314,756,067.20/27,388.48
  6. Step 6: Final answer
    x = 11,492.28

Related Problems

Find fourth proportional to 13,694.24, 20,539 and 3,831.20
Half scale
Find fourth proportional to 54,776.96, 82,156 and 15,324.80
Double scale
Find fourth proportional to 27,389.48, 41,079.50 and 7,663.40
Similar ratio
Find fourth proportional to 41,082.72, 61,617 and 11,493.60
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.