Home / 25,451.28-35,122.92-15,377.52

Finding the Fourth Proportional to 25,451.28, 35,122.92 and 15,377.52

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Solution

The fourth proportional to 25,451.28, 35,122.92 and 15,377.52 is: 21,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451.28 : 35,122.92 = 15,377.52 : x
  2. Step 2: Convert to fraction form
    25,451.28/35,122.92 = 15,377.52/x
  3. Step 3: Cross multiply
    25,451.28x = 35,122.92 × 15,377.52
  4. Step 4: Simplify right side
    25,451.28x = 540,103,404.76
  5. Step 5: Solve for x
    x = 540,103,404.76/25,451.28
  6. Step 6: Final answer
    x = 21,221.07

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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.