Home / 27,789.86-41,684.88-6,729.87

Finding the Fourth Proportional to 27,789.86, 41,684.88 and 6,729.87

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Solution

The fourth proportional to 27,789.86, 41,684.88 and 6,729.87 is: 10,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.86 : 41,684.88 = 6,729.87 : x
  2. Step 2: Convert to fraction form
    27,789.86/41,684.88 = 6,729.87/x
  3. Step 3: Cross multiply
    27,789.86x = 41,684.88 × 6,729.87
  4. Step 4: Simplify right side
    27,789.86x = 280,533,687.25
  5. Step 5: Solve for x
    x = 280,533,687.25/27,789.86
  6. Step 6: Final answer
    x = 10,094.82

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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.