Home / 21,887.26-32,841.15-10,787.90

Finding the Fourth Proportional to 21,887.26, 32,841.15 and 10,787.90

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Solution

The fourth proportional to 21,887.26, 32,841.15 and 10,787.90 is: 16,186.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,887.26 : 32,841.15 = 10,787.90 : x
  2. Step 2: Convert to fraction form
    21,887.26/32,841.15 = 10,787.90/x
  3. Step 3: Cross multiply
    21,887.26x = 32,841.15 × 10,787.90
  4. Step 4: Simplify right side
    21,887.26x = 354,286,823.94
  5. Step 5: Solve for x
    x = 354,286,823.94/21,887.26
  6. Step 6: Final answer
    x = 16,186.90

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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.