Home / 38,255.28-57,382.92-13,614

Finding the Fourth Proportional to 38,255.28, 57,382.92 and 13,614

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Solution

The fourth proportional to 38,255.28, 57,382.92 and 13,614 is: 20,421

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.28 : 57,382.92 = 13,614 : x
  2. Step 2: Convert to fraction form
    38,255.28/57,382.92 = 13,614/x
  3. Step 3: Cross multiply
    38,255.28x = 57,382.92 × 13,614
  4. Step 4: Simplify right side
    38,255.28x = 781,211,072.88
  5. Step 5: Solve for x
    x = 781,211,072.88/38,255.28
  6. Step 6: Final answer
    x = 20,421

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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.