Home / 27,272.56-40,843.20-18,480.80

Finding the Fourth Proportional to 27,272.56, 40,843.20 and 18,480.80

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Solution

The fourth proportional to 27,272.56, 40,843.20 and 18,480.80 is: 27,676.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,272.56 : 40,843.20 = 18,480.80 : x
  2. Step 2: Convert to fraction form
    27,272.56/40,843.20 = 18,480.80/x
  3. Step 3: Cross multiply
    27,272.56x = 40,843.20 × 18,480.80
  4. Step 4: Simplify right side
    27,272.56x = 754,815,010.56
  5. Step 5: Solve for x
    x = 754,815,010.56/27,272.56
  6. Step 6: Final answer
    x = 27,676.72

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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.