Home / 22,147.84-33,221.76-15,201.28

Finding the Fourth Proportional to 22,147.84, 33,221.76 and 15,201.28

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Solution

The fourth proportional to 22,147.84, 33,221.76 and 15,201.28 is: 22,801.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.84 : 33,221.76 = 15,201.28 : x
  2. Step 2: Convert to fraction form
    22,147.84/33,221.76 = 15,201.28/x
  3. Step 3: Cross multiply
    22,147.84x = 33,221.76 × 15,201.28
  4. Step 4: Simplify right side
    22,147.84x = 505,013,275.85
  5. Step 5: Solve for x
    x = 505,013,275.85/22,147.84
  6. Step 6: Final answer
    x = 22,801.92

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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.