Home / 27,829.74-41,743.35-8,107.86

Finding the Fourth Proportional to 27,829.74, 41,743.35 and 8,107.86

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Solution

The fourth proportional to 27,829.74, 41,743.35 and 8,107.86 is: 12,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.74 : 41,743.35 = 8,107.86 : x
  2. Step 2: Convert to fraction form
    27,829.74/41,743.35 = 8,107.86/x
  3. Step 3: Cross multiply
    27,829.74x = 41,743.35 × 8,107.86
  4. Step 4: Simplify right side
    27,829.74x = 338,449,237.73
  5. Step 5: Solve for x
    x = 338,449,237.73/27,829.74
  6. Step 6: Final answer
    x = 12,161.42

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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.