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Finding the Fourth Proportional to 17,569.71, 26,242.20 and 15,901.29

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Solution

The fourth proportional to 17,569.71, 26,242.20 and 15,901.29 is: 23,750.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,569.71 : 26,242.20 = 15,901.29 : x
  2. Step 2: Convert to fraction form
    17,569.71/26,242.20 = 15,901.29/x
  3. Step 3: Cross multiply
    17,569.71x = 26,242.20 × 15,901.29
  4. Step 4: Simplify right side
    17,569.71x = 417,284,832.44
  5. Step 5: Solve for x
    x = 417,284,832.44/17,569.71
  6. Step 6: Final answer
    x = 23,750.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.