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Finding the Fourth Proportional to 22,138.92, 33,201.90 and 18,233.64

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Solution

The fourth proportional to 22,138.92, 33,201.90 and 18,233.64 is: 27,345.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,138.92 : 33,201.90 = 18,233.64 : x
  2. Step 2: Convert to fraction form
    22,138.92/33,201.90 = 18,233.64/x
  3. Step 3: Cross multiply
    22,138.92x = 33,201.90 × 18,233.64
  4. Step 4: Simplify right side
    22,138.92x = 605,391,491.92
  5. Step 5: Solve for x
    x = 605,391,491.92/22,138.92
  6. Step 6: Final answer
    x = 27,345.12

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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.