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Finding the Fourth Proportional to 29,272.49, 40,396.16 and 15,843.74

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Solution

The fourth proportional to 29,272.49, 40,396.16 and 15,843.74 is: 21,864.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.49 : 40,396.16 = 15,843.74 : x
  2. Step 2: Convert to fraction form
    29,272.49/40,396.16 = 15,843.74/x
  3. Step 3: Cross multiply
    29,272.49x = 40,396.16 × 15,843.74
  4. Step 4: Simplify right side
    29,272.49x = 640,026,256.04
  5. Step 5: Solve for x
    x = 640,026,256.04/29,272.49
  6. Step 6: Final answer
    x = 21,864.43

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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.