Home / 25,314.90-34,944.78-15,251.95

Finding the Fourth Proportional to 25,314.90, 34,944.78 and 15,251.95

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Solution

The fourth proportional to 25,314.90, 34,944.78 and 15,251.95 is: 21,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.90 : 34,944.78 = 15,251.95 : x
  2. Step 2: Convert to fraction form
    25,314.90/34,944.78 = 15,251.95/x
  3. Step 3: Cross multiply
    25,314.90x = 34,944.78 × 15,251.95
  4. Step 4: Simplify right side
    25,314.90x = 532,976,037.32
  5. Step 5: Solve for x
    x = 532,976,037.32/25,314.90
  6. Step 6: Final answer
    x = 21,053.85

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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.