Home / 25,316.28-37,955.12-15,318.92

Finding the Fourth Proportional to 25,316.28, 37,955.12 and 15,318.92

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Solution

The fourth proportional to 25,316.28, 37,955.12 and 15,318.92 is: 22,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.28 : 37,955.12 = 15,318.92 : x
  2. Step 2: Convert to fraction form
    25,316.28/37,955.12 = 15,318.92/x
  3. Step 3: Cross multiply
    25,316.28x = 37,955.12 × 15,318.92
  4. Step 4: Simplify right side
    25,316.28x = 581,431,446.87
  5. Step 5: Solve for x
    x = 581,431,446.87/25,316.28
  6. Step 6: Final answer
    x = 22,966.70

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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.