Home / 22,113.60-33,170.40-15,115.20

Finding the Fourth Proportional to 22,113.60, 33,170.40 and 15,115.20

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Solution

The fourth proportional to 22,113.60, 33,170.40 and 15,115.20 is: 22,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,113.60 : 33,170.40 = 15,115.20 : x
  2. Step 2: Convert to fraction form
    22,113.60/33,170.40 = 15,115.20/x
  3. Step 3: Cross multiply
    22,113.60x = 33,170.40 × 15,115.20
  4. Step 4: Simplify right side
    22,113.60x = 501,377,230.08
  5. Step 5: Solve for x
    x = 501,377,230.08/22,113.60
  6. Step 6: Final answer
    x = 22,672.80

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Half scale
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Double scale
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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.