Home / 27,725.60-41,582.28-7,999.88

Finding the Fourth Proportional to 27,725.60, 41,582.28 and 7,999.88

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Solution

The fourth proportional to 27,725.60, 41,582.28 and 7,999.88 is: 11,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,725.60 : 41,582.28 = 7,999.88 : x
  2. Step 2: Convert to fraction form
    27,725.60/41,582.28 = 7,999.88/x
  3. Step 3: Cross multiply
    27,725.60x = 41,582.28 × 7,999.88
  4. Step 4: Simplify right side
    27,725.60x = 332,653,250.13
  5. Step 5: Solve for x
    x = 332,653,250.13/27,725.60
  6. Step 6: Final answer
    x = 11,998.05

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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.