Home / 27,687.97-41,530.48-7,965.75

Finding the Fourth Proportional to 27,687.97, 41,530.48 and 7,965.75

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Solution

The fourth proportional to 27,687.97, 41,530.48 and 7,965.75 is: 11,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687.97 : 41,530.48 = 7,965.75 : x
  2. Step 2: Convert to fraction form
    27,687.97/41,530.48 = 7,965.75/x
  3. Step 3: Cross multiply
    27,687.97x = 41,530.48 × 7,965.75
  4. Step 4: Simplify right side
    27,687.97x = 330,821,421.06
  5. Step 5: Solve for x
    x = 330,821,421.06/27,687.97
  6. Step 6: Final answer
    x = 11,948.20

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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.