Home / 25,454.68-35,125.88-15,377.18

Finding the Fourth Proportional to 25,454.68, 35,125.88 and 15,377.18

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Solution

The fourth proportional to 25,454.68, 35,125.88 and 15,377.18 is: 21,219.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.68 : 35,125.88 = 15,377.18 : x
  2. Step 2: Convert to fraction form
    25,454.68/35,125.88 = 15,377.18/x
  3. Step 3: Cross multiply
    25,454.68x = 35,125.88 × 15,377.18
  4. Step 4: Simplify right side
    25,454.68x = 540,136,726.90
  5. Step 5: Solve for x
    x = 540,136,726.90/25,454.68
  6. Step 6: Final answer
    x = 21,219.55

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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.