Home / 38,829.82-58,229.95-13,865.22

Finding the Fourth Proportional to 38,829.82, 58,229.95 and 13,865.22

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Solution

The fourth proportional to 38,829.82, 58,229.95 and 13,865.22 is: 20,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,829.82 : 58,229.95 = 13,865.22 : x
  2. Step 2: Convert to fraction form
    38,829.82/58,229.95 = 13,865.22/x
  3. Step 3: Cross multiply
    38,829.82x = 58,229.95 × 13,865.22
  4. Step 4: Simplify right side
    38,829.82x = 807,371,067.34
  5. Step 5: Solve for x
    x = 807,371,067.34/38,829.82
  6. Step 6: Final answer
    x = 20,792.55

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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.