Home / 29,218.49-40,324.63-17,129.15

Finding the Fourth Proportional to 29,218.49, 40,324.63 and 17,129.15

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Solution

The fourth proportional to 29,218.49, 40,324.63 and 17,129.15 is: 23,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.49 : 40,324.63 = 17,129.15 : x
  2. Step 2: Convert to fraction form
    29,218.49/40,324.63 = 17,129.15/x
  3. Step 3: Cross multiply
    29,218.49x = 40,324.63 × 17,129.15
  4. Step 4: Simplify right side
    29,218.49x = 690,726,391.52
  5. Step 5: Solve for x
    x = 690,726,391.52/29,218.49
  6. Step 6: Final answer
    x = 23,640.04

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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.