Home / 25,356.08-38,008.20-8,711.12

Finding the Fourth Proportional to 25,356.08, 38,008.20 and 8,711.12

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Solution

The fourth proportional to 25,356.08, 38,008.20 and 8,711.12 is: 13,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,356.08 : 38,008.20 = 8,711.12 : x
  2. Step 2: Convert to fraction form
    25,356.08/38,008.20 = 8,711.12/x
  3. Step 3: Cross multiply
    25,356.08x = 38,008.20 × 8,711.12
  4. Step 4: Simplify right side
    25,356.08x = 331,093,991.18
  5. Step 5: Solve for x
    x = 331,093,991.18/25,356.08
  6. Step 6: Final answer
    x = 13,057.78

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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.