Home / 29,419.28-40,598.87-15,990.56

Finding the Fourth Proportional to 29,419.28, 40,598.87 and 15,990.56

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Solution

The fourth proportional to 29,419.28, 40,598.87 and 15,990.56 is: 22,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.28 : 40,598.87 = 15,990.56 : x
  2. Step 2: Convert to fraction form
    29,419.28/40,598.87 = 15,990.56/x
  3. Step 3: Cross multiply
    29,419.28x = 40,598.87 × 15,990.56
  4. Step 4: Simplify right side
    29,419.28x = 649,198,535.97
  5. Step 5: Solve for x
    x = 649,198,535.97/29,419.28
  6. Step 6: Final answer
    x = 22,067.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.