Home / 17,180.54-25,781.76-17,039.92

Finding the Fourth Proportional to 17,180.54, 25,781.76 and 17,039.92

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Solution

The fourth proportional to 17,180.54, 25,781.76 and 17,039.92 is: 25,570.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,180.54 : 25,781.76 = 17,039.92 : x
  2. Step 2: Convert to fraction form
    17,180.54/25,781.76 = 17,039.92/x
  3. Step 3: Cross multiply
    17,180.54x = 25,781.76 × 17,039.92
  4. Step 4: Simplify right side
    17,180.54x = 439,319,127.86
  5. Step 5: Solve for x
    x = 439,319,127.86/17,180.54
  6. Step 6: Final answer
    x = 25,570.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.