Home / 27,229.16-40,765.80-18,448.48

Finding the Fourth Proportional to 27,229.16, 40,765.80 and 18,448.48

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Solution

The fourth proportional to 27,229.16, 40,765.80 and 18,448.48 is: 27,619.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,229.16 : 40,765.80 = 18,448.48 : x
  2. Step 2: Convert to fraction form
    27,229.16/40,765.80 = 18,448.48/x
  3. Step 3: Cross multiply
    27,229.16x = 40,765.80 × 18,448.48
  4. Step 4: Simplify right side
    27,229.16x = 752,067,045.98
  5. Step 5: Solve for x
    x = 752,067,045.98/27,229.16
  6. Step 6: Final answer
    x = 27,619.91

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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.