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Finding the Fourth Proportional to 22,575.54, 33,871.95 and 10,887.78

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Solution

The fourth proportional to 22,575.54, 33,871.95 and 10,887.78 is: 16,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,575.54 : 33,871.95 = 10,887.78 : x
  2. Step 2: Convert to fraction form
    22,575.54/33,871.95 = 10,887.78/x
  3. Step 3: Cross multiply
    22,575.54x = 33,871.95 × 10,887.78
  4. Step 4: Simplify right side
    22,575.54x = 368,790,339.77
  5. Step 5: Solve for x
    x = 368,790,339.77/22,575.54
  6. Step 6: Final answer
    x = 16,335.84

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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.