Home / 29,397.64-40,569.20-15,969.16

Finding the Fourth Proportional to 29,397.64, 40,569.20 and 15,969.16

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Solution

The fourth proportional to 29,397.64, 40,569.20 and 15,969.16 is: 22,037.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,397.64 : 40,569.20 = 15,969.16 : x
  2. Step 2: Convert to fraction form
    29,397.64/40,569.20 = 15,969.16/x
  3. Step 3: Cross multiply
    29,397.64x = 40,569.20 × 15,969.16
  4. Step 4: Simplify right side
    29,397.64x = 647,856,045.87
  5. Step 5: Solve for x
    x = 647,856,045.87/29,397.64
  6. Step 6: Final answer
    x = 22,037.69

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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.