Home / 23,129.28-34,680.96-7,542.72

Finding the Fourth Proportional to 23,129.28, 34,680.96 and 7,542.72

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Solution

The fourth proportional to 23,129.28, 34,680.96 and 7,542.72 is: 11,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,129.28 : 34,680.96 = 7,542.72 : x
  2. Step 2: Convert to fraction form
    23,129.28/34,680.96 = 7,542.72/x
  3. Step 3: Cross multiply
    23,129.28x = 34,680.96 × 7,542.72
  4. Step 4: Simplify right side
    23,129.28x = 261,588,770.61
  5. Step 5: Solve for x
    x = 261,588,770.61/23,129.28
  6. Step 6: Final answer
    x = 11,309.85

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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.