Home / 27,589.60-41,470.80-27,071.20

Finding the Fourth Proportional to 27,589.60, 41,470.80 and 27,071.20

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Solution

The fourth proportional to 27,589.60, 41,470.80 and 27,071.20 is: 40,691.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,589.60 : 41,470.80 = 27,071.20 : x
  2. Step 2: Convert to fraction form
    27,589.60/41,470.80 = 27,071.20/x
  3. Step 3: Cross multiply
    27,589.60x = 41,470.80 × 27,071.20
  4. Step 4: Simplify right side
    27,589.60x = 1,122,664,320.96
  5. Step 5: Solve for x
    x = 1,122,664,320.96/27,589.60
  6. Step 6: Final answer
    x = 40,691.58

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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.