Home / 27,200.68-40,789.14-11,179.30

Finding the Fourth Proportional to 27,200.68, 40,789.14 and 11,179.30

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Solution

The fourth proportional to 27,200.68, 40,789.14 and 11,179.30 is: 16,764.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,200.68 : 40,789.14 = 11,179.30 : x
  2. Step 2: Convert to fraction form
    27,200.68/40,789.14 = 11,179.30/x
  3. Step 3: Cross multiply
    27,200.68x = 40,789.14 × 11,179.30
  4. Step 4: Simplify right side
    27,200.68x = 455,994,032.80
  5. Step 5: Solve for x
    x = 455,994,032.80/27,200.68
  6. Step 6: Final answer
    x = 16,764.07

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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.