Home / 38,378.31-57,584.16-13,436.25

Finding the Fourth Proportional to 38,378.31, 57,584.16 and 13,436.25

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Solution

The fourth proportional to 38,378.31, 57,584.16 and 13,436.25 is: 20,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.31 : 57,584.16 = 13,436.25 : x
  2. Step 2: Convert to fraction form
    38,378.31/57,584.16 = 13,436.25/x
  3. Step 3: Cross multiply
    38,378.31x = 57,584.16 × 13,436.25
  4. Step 4: Simplify right side
    38,378.31x = 773,715,169.80
  5. Step 5: Solve for x
    x = 773,715,169.80/38,378.31
  6. Step 6: Final answer
    x = 20,160.22

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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.