Home / 27,375.20-41,062.80-15,516.80

Finding the Fourth Proportional to 27,375.20, 41,062.80 and 15,516.80

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Solution

The fourth proportional to 27,375.20, 41,062.80 and 15,516.80 is: 23,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,375.20 : 41,062.80 = 15,516.80 : x
  2. Step 2: Convert to fraction form
    27,375.20/41,062.80 = 15,516.80/x
  3. Step 3: Cross multiply
    27,375.20x = 41,062.80 × 15,516.80
  4. Step 4: Simplify right side
    27,375.20x = 637,163,255.04
  5. Step 5: Solve for x
    x = 637,163,255.04/27,375.20
  6. Step 6: Final answer
    x = 23,275.20

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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.