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Finding the Fourth Proportional to 22,655, 33,874.36 and 20,669.89

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Solution

The fourth proportional to 22,655, 33,874.36 and 20,669.89 is: 30,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,655 : 33,874.36 = 20,669.89 : x
  2. Step 2: Convert to fraction form
    22,655/33,874.36 = 20,669.89/x
  3. Step 3: Cross multiply
    22,655x = 33,874.36 × 20,669.89
  4. Step 4: Simplify right side
    22,655x = 700,179,295.02
  5. Step 5: Solve for x
    x = 700,179,295.02/22,655
  6. Step 6: Final answer
    x = 30,906.17

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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.