Home / 38,418.76-57,654.06-15,042.28

Finding the Fourth Proportional to 38,418.76, 57,654.06 and 15,042.28

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Solution

The fourth proportional to 38,418.76, 57,654.06 and 15,042.28 is: 22,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,418.76 : 57,654.06 = 15,042.28 : x
  2. Step 2: Convert to fraction form
    38,418.76/57,654.06 = 15,042.28/x
  3. Step 3: Cross multiply
    38,418.76x = 57,654.06 × 15,042.28
  4. Step 4: Simplify right side
    38,418.76x = 867,248,513.66
  5. Step 5: Solve for x
    x = 867,248,513.66/38,418.76
  6. Step 6: Final answer
    x = 22,573.57

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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.