Home / 21,375.56-32,069.82-15,147.62

Finding the Fourth Proportional to 21,375.56, 32,069.82 and 15,147.62

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Solution

The fourth proportional to 21,375.56, 32,069.82 and 15,147.62 is: 22,726.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.56 : 32,069.82 = 15,147.62 : x
  2. Step 2: Convert to fraction form
    21,375.56/32,069.82 = 15,147.62/x
  3. Step 3: Cross multiply
    21,375.56x = 32,069.82 × 15,147.62
  4. Step 4: Simplify right side
    21,375.56x = 485,781,286.48
  5. Step 5: Solve for x
    x = 485,781,286.48/21,375.56
  6. Step 6: Final answer
    x = 22,726.02

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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.