Home / 25,575.04-38,355.20-10,787.28

Finding the Fourth Proportional to 25,575.04, 38,355.20 and 10,787.28

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Solution

The fourth proportional to 25,575.04, 38,355.20 and 10,787.28 is: 16,177.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.04 : 38,355.20 = 10,787.28 : x
  2. Step 2: Convert to fraction form
    25,575.04/38,355.20 = 10,787.28/x
  3. Step 3: Cross multiply
    25,575.04x = 38,355.20 × 10,787.28
  4. Step 4: Simplify right side
    25,575.04x = 413,748,281.86
  5. Step 5: Solve for x
    x = 413,748,281.86/25,575.04
  6. Step 6: Final answer
    x = 16,177.82

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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.