Home / 22,841.25-31,522.14-13,887.30

Finding the Fourth Proportional to 22,841.25, 31,522.14 and 13,887.30

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Solution

The fourth proportional to 22,841.25, 31,522.14 and 13,887.30 is: 19,165.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.25 : 31,522.14 = 13,887.30 : x
  2. Step 2: Convert to fraction form
    22,841.25/31,522.14 = 13,887.30/x
  3. Step 3: Cross multiply
    22,841.25x = 31,522.14 × 13,887.30
  4. Step 4: Simplify right side
    22,841.25x = 437,757,414.82
  5. Step 5: Solve for x
    x = 437,757,414.82/22,841.25
  6. Step 6: Final answer
    x = 19,165.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.