Home / 27,828.29-41,743.60-8,106.84

Finding the Fourth Proportional to 27,828.29, 41,743.60 and 8,106.84

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Solution

The fourth proportional to 27,828.29, 41,743.60 and 8,106.84 is: 12,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,828.29 : 41,743.60 = 8,106.84 : x
  2. Step 2: Convert to fraction form
    27,828.29/41,743.60 = 8,106.84/x
  3. Step 3: Cross multiply
    27,828.29x = 41,743.60 × 8,106.84
  4. Step 4: Simplify right side
    27,828.29x = 338,408,645.69
  5. Step 5: Solve for x
    x = 338,408,645.69/27,828.29
  6. Step 6: Final answer
    x = 12,160.60

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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.