Home / 27,839.25-38,418.18-15,264

Finding the Fourth Proportional to 27,839.25, 38,418.18 and 15,264

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Solution

The fourth proportional to 27,839.25, 38,418.18 and 15,264 is: 21,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,839.25 : 38,418.18 = 15,264 : x
  2. Step 2: Convert to fraction form
    27,839.25/38,418.18 = 15,264/x
  3. Step 3: Cross multiply
    27,839.25x = 38,418.18 × 15,264
  4. Step 4: Simplify right side
    27,839.25x = 586,415,099.52
  5. Step 5: Solve for x
    x = 586,415,099.52/27,839.25
  6. Step 6: Final answer
    x = 21,064.33

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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.