Home / 27,729.20-41,587.70-8,003.48

Finding the Fourth Proportional to 27,729.20, 41,587.70 and 8,003.48

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Solution

The fourth proportional to 27,729.20, 41,587.70 and 8,003.48 is: 12,003.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,729.20 : 41,587.70 = 8,003.48 : x
  2. Step 2: Convert to fraction form
    27,729.20/41,587.70 = 8,003.48/x
  3. Step 3: Cross multiply
    27,729.20x = 41,587.70 × 8,003.48
  4. Step 4: Simplify right side
    27,729.20x = 332,846,077.24
  5. Step 5: Solve for x
    x = 332,846,077.24/27,729.20
  6. Step 6: Final answer
    x = 12,003.45

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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.