Home / 38,476.26-57,768.08-19,772.15

Finding the Fourth Proportional to 38,476.26, 57,768.08 and 19,772.15

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Solution

The fourth proportional to 38,476.26, 57,768.08 and 19,772.15 is: 29,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,476.26 : 57,768.08 = 19,772.15 : x
  2. Step 2: Convert to fraction form
    38,476.26/57,768.08 = 19,772.15/x
  3. Step 3: Cross multiply
    38,476.26x = 57,768.08 × 19,772.15
  4. Step 4: Simplify right side
    38,476.26x = 1,142,198,755.27
  5. Step 5: Solve for x
    x = 1,142,198,755.27/38,476.26
  6. Step 6: Final answer
    x = 29,685.81

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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.