Home / 18,233.70-27,350.55-15,171.90

Finding the Fourth Proportional to 18,233.70, 27,350.55 and 15,171.90

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Solution

The fourth proportional to 18,233.70, 27,350.55 and 15,171.90 is: 22,757.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.70 : 27,350.55 = 15,171.90 : x
  2. Step 2: Convert to fraction form
    18,233.70/27,350.55 = 15,171.90/x
  3. Step 3: Cross multiply
    18,233.70x = 27,350.55 × 15,171.90
  4. Step 4: Simplify right side
    18,233.70x = 414,959,809.55
  5. Step 5: Solve for x
    x = 414,959,809.55/18,233.70
  6. Step 6: Final answer
    x = 22,757.85

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Similar ratio
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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.