Home / 38,253.26-52,791.08-21,257.43

Finding the Fourth Proportional to 38,253.26, 52,791.08 and 21,257.43

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Solution

The fourth proportional to 38,253.26, 52,791.08 and 21,257.43 is: 29,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,253.26 : 52,791.08 = 21,257.43 : x
  2. Step 2: Convert to fraction form
    38,253.26/52,791.08 = 21,257.43/x
  3. Step 3: Cross multiply
    38,253.26x = 52,791.08 × 21,257.43
  4. Step 4: Simplify right side
    38,253.26x = 1,122,202,581.44
  5. Step 5: Solve for x
    x = 1,122,202,581.44/38,253.26
  6. Step 6: Final answer
    x = 29,336.13

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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.