Home / 27,640.30-41,429.64-10,995.88

Finding the Fourth Proportional to 27,640.30, 41,429.64 and 10,995.88

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Solution

The fourth proportional to 27,640.30, 41,429.64 and 10,995.88 is: 16,481.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.30 : 41,429.64 = 10,995.88 : x
  2. Step 2: Convert to fraction form
    27,640.30/41,429.64 = 10,995.88/x
  3. Step 3: Cross multiply
    27,640.30x = 41,429.64 × 10,995.88
  4. Step 4: Simplify right side
    27,640.30x = 455,555,349.88
  5. Step 5: Solve for x
    x = 455,555,349.88/27,640.30
  6. Step 6: Final answer
    x = 16,481.56

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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.