Home / 25,013.92-34,517.76-13,681.15

Finding the Fourth Proportional to 25,013.92, 34,517.76 and 13,681.15

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Solution

The fourth proportional to 25,013.92, 34,517.76 and 13,681.15 is: 18,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,013.92 : 34,517.76 = 13,681.15 : x
  2. Step 2: Convert to fraction form
    25,013.92/34,517.76 = 13,681.15/x
  3. Step 3: Cross multiply
    25,013.92x = 34,517.76 × 13,681.15
  4. Step 4: Simplify right side
    25,013.92x = 472,242,652.22
  5. Step 5: Solve for x
    x = 472,242,652.22/25,013.92
  6. Step 6: Final answer
    x = 18,879.19

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1.5x scale

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.