Home / 25,710.80-35,481.17-15,100.61

Finding the Fourth Proportional to 25,710.80, 35,481.17 and 15,100.61

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Solution

The fourth proportional to 25,710.80, 35,481.17 and 15,100.61 is: 20,839.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.80 : 35,481.17 = 15,100.61 : x
  2. Step 2: Convert to fraction form
    25,710.80/35,481.17 = 15,100.61/x
  3. Step 3: Cross multiply
    25,710.80x = 35,481.17 × 15,100.61
  4. Step 4: Simplify right side
    25,710.80x = 535,787,235.01
  5. Step 5: Solve for x
    x = 535,787,235.01/25,710.80
  6. Step 6: Final answer
    x = 20,839.00

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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.