Home / 22,331.28-30,817.92-15,073.20

Finding the Fourth Proportional to 22,331.28, 30,817.92 and 15,073.20

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Solution

The fourth proportional to 22,331.28, 30,817.92 and 15,073.20 is: 20,801.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.28 : 30,817.92 = 15,073.20 : x
  2. Step 2: Convert to fraction form
    22,331.28/30,817.92 = 15,073.20/x
  3. Step 3: Cross multiply
    22,331.28x = 30,817.92 × 15,073.20
  4. Step 4: Simplify right side
    22,331.28x = 464,524,671.74
  5. Step 5: Solve for x
    x = 464,524,671.74/22,331.28
  6. Step 6: Final answer
    x = 20,801.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.