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Finding the Fourth Proportional to 29,378.33, 40,542.12 and 15,949.58

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Solution

The fourth proportional to 29,378.33, 40,542.12 and 15,949.58 is: 22,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,378.33 : 40,542.12 = 15,949.58 : x
  2. Step 2: Convert to fraction form
    29,378.33/40,542.12 = 15,949.58/x
  3. Step 3: Cross multiply
    29,378.33x = 40,542.12 × 15,949.58
  4. Step 4: Simplify right side
    29,378.33x = 646,629,583.60
  5. Step 5: Solve for x
    x = 646,629,583.60/29,378.33
  6. Step 6: Final answer
    x = 22,010.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.