Home / 25,154.06-34,715.34-15,591.40

Finding the Fourth Proportional to 25,154.06, 34,715.34 and 15,591.40

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Solution

The fourth proportional to 25,154.06, 34,715.34 and 15,591.40 is: 21,517.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.06 : 34,715.34 = 15,591.40 : x
  2. Step 2: Convert to fraction form
    25,154.06/34,715.34 = 15,591.40/x
  3. Step 3: Cross multiply
    25,154.06x = 34,715.34 × 15,591.40
  4. Step 4: Simplify right side
    25,154.06x = 541,260,752.08
  5. Step 5: Solve for x
    x = 541,260,752.08/25,154.06
  6. Step 6: Final answer
    x = 21,517.83

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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.