Home / 27,375.12-41,062.68-15,680.16

Finding the Fourth Proportional to 27,375.12, 41,062.68 and 15,680.16

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Solution

The fourth proportional to 27,375.12, 41,062.68 and 15,680.16 is: 23,520.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.12 : 41,062.68 = 15,680.16 : x
  2. Step 2: Convert to fraction form
    27,375.12/41,062.68 = 15,680.16/x
  3. Step 3: Cross multiply
    27,375.12x = 41,062.68 × 15,680.16
  4. Step 4: Simplify right side
    27,375.12x = 643,869,392.43
  5. Step 5: Solve for x
    x = 643,869,392.43/27,375.12
  6. Step 6: Final answer
    x = 23,520.24

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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.