Home / 38,428.71-57,646.04-14,747.60

Finding the Fourth Proportional to 38,428.71, 57,646.04 and 14,747.60

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Solution

The fourth proportional to 38,428.71, 57,646.04 and 14,747.60 is: 22,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,428.71 : 57,646.04 = 14,747.60 : x
  2. Step 2: Convert to fraction form
    38,428.71/57,646.04 = 14,747.60/x
  3. Step 3: Cross multiply
    38,428.71x = 57,646.04 × 14,747.60
  4. Step 4: Simplify right side
    38,428.71x = 850,140,377.54
  5. Step 5: Solve for x
    x = 850,140,377.54/38,428.71
  6. Step 6: Final answer
    x = 22,122.53

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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.