Home / 38,476.35-57,720.92-13,509.95

Finding the Fourth Proportional to 38,476.35, 57,720.92 and 13,509.95

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Solution

The fourth proportional to 38,476.35, 57,720.92 and 13,509.95 is: 20,267.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.35 : 57,720.92 = 13,509.95 : x
  2. Step 2: Convert to fraction form
    38,476.35/57,720.92 = 13,509.95/x
  3. Step 3: Cross multiply
    38,476.35x = 57,720.92 × 13,509.95
  4. Step 4: Simplify right side
    38,476.35x = 779,806,387.00
  5. Step 5: Solve for x
    x = 779,806,387.00/38,476.35
  6. Step 6: Final answer
    x = 20,267.16

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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.