Home / 28,125.38-42,173.84-9,398.90

Finding the Fourth Proportional to 28,125.38, 42,173.84 and 9,398.90

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Solution

The fourth proportional to 28,125.38, 42,173.84 and 9,398.90 is: 14,093.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125.38 : 42,173.84 = 9,398.90 : x
  2. Step 2: Convert to fraction form
    28,125.38/42,173.84 = 9,398.90/x
  3. Step 3: Cross multiply
    28,125.38x = 42,173.84 × 9,398.90
  4. Step 4: Simplify right side
    28,125.38x = 396,387,704.78
  5. Step 5: Solve for x
    x = 396,387,704.78/28,125.38
  6. Step 6: Final answer
    x = 14,093.59

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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.