Home / 29,344.13-40,494.92-15,915.38

Finding the Fourth Proportional to 29,344.13, 40,494.92 and 15,915.38

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Solution

The fourth proportional to 29,344.13, 40,494.92 and 15,915.38 is: 21,963.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,344.13 : 40,494.92 = 15,915.38 : x
  2. Step 2: Convert to fraction form
    29,344.13/40,494.92 = 15,915.38/x
  3. Step 3: Cross multiply
    29,344.13x = 40,494.92 × 15,915.38
  4. Step 4: Simplify right side
    29,344.13x = 644,492,039.87
  5. Step 5: Solve for x
    x = 644,492,039.87/29,344.13
  6. Step 6: Final answer
    x = 21,963.24

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Why These Related Problems?

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