Home / 27,784.20-41,673.98-10,917.56

Finding the Fourth Proportional to 27,784.20, 41,673.98 and 10,917.56

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Solution

The fourth proportional to 27,784.20, 41,673.98 and 10,917.56 is: 16,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.20 : 41,673.98 = 10,917.56 : x
  2. Step 2: Convert to fraction form
    27,784.20/41,673.98 = 10,917.56/x
  3. Step 3: Cross multiply
    27,784.20x = 41,673.98 × 10,917.56
  4. Step 4: Simplify right side
    27,784.20x = 454,978,177.09
  5. Step 5: Solve for x
    x = 454,978,177.09/27,784.20
  6. Step 6: Final answer
    x = 16,375.43

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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.