Home / 27,716.07-41,569.11-7,989.78

Finding the Fourth Proportional to 27,716.07, 41,569.11 and 7,989.78

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Solution

The fourth proportional to 27,716.07, 41,569.11 and 7,989.78 is: 11,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.07 : 41,569.11 = 7,989.78 : x
  2. Step 2: Convert to fraction form
    27,716.07/41,569.11 = 7,989.78/x
  3. Step 3: Cross multiply
    27,716.07x = 41,569.11 × 7,989.78
  4. Step 4: Simplify right side
    27,716.07x = 332,128,043.70
  5. Step 5: Solve for x
    x = 332,128,043.70/27,716.07
  6. Step 6: Final answer
    x = 11,983.23

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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.