Home / 38,492.80-57,727.20-15,126.40

Finding the Fourth Proportional to 38,492.80, 57,727.20 and 15,126.40

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Solution

The fourth proportional to 38,492.80, 57,727.20 and 15,126.40 is: 22,684.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,492.80 : 57,727.20 = 15,126.40 : x
  2. Step 2: Convert to fraction form
    38,492.80/57,727.20 = 15,126.40/x
  3. Step 3: Cross multiply
    38,492.80x = 57,727.20 × 15,126.40
  4. Step 4: Simplify right side
    38,492.80x = 873,204,718.08
  5. Step 5: Solve for x
    x = 873,204,718.08/38,492.80
  6. Step 6: Final answer
    x = 22,684.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.