Home / 27,262.62-40,828.30-18,470.88

Finding the Fourth Proportional to 27,262.62, 40,828.30 and 18,470.88

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Solution

The fourth proportional to 27,262.62, 40,828.30 and 18,470.88 is: 27,661.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,262.62 : 40,828.30 = 18,470.88 : x
  2. Step 2: Convert to fraction form
    27,262.62/40,828.30 = 18,470.88/x
  3. Step 3: Cross multiply
    27,262.62x = 40,828.30 × 18,470.88
  4. Step 4: Simplify right side
    27,262.62x = 754,134,629.90
  5. Step 5: Solve for x
    x = 754,134,629.90/27,262.62
  6. Step 6: Final answer
    x = 27,661.85

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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.