Home / 38,656.38-57,982.74-13,696.02

Finding the Fourth Proportional to 38,656.38, 57,982.74 and 13,696.02

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Solution

The fourth proportional to 38,656.38, 57,982.74 and 13,696.02 is: 20,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,656.38 : 57,982.74 = 13,696.02 : x
  2. Step 2: Convert to fraction form
    38,656.38/57,982.74 = 13,696.02/x
  3. Step 3: Cross multiply
    38,656.38x = 57,982.74 × 13,696.02
  4. Step 4: Simplify right side
    38,656.38x = 794,132,766.69
  5. Step 5: Solve for x
    x = 794,132,766.69/38,656.38
  6. Step 6: Final answer
    x = 20,543.38

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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.