Home / 27,829.24-41,742.60-8,107.36

Finding the Fourth Proportional to 27,829.24, 41,742.60 and 8,107.36

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Solution

The fourth proportional to 27,829.24, 41,742.60 and 8,107.36 is: 12,160.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.24 : 41,742.60 = 8,107.36 : x
  2. Step 2: Convert to fraction form
    27,829.24/41,742.60 = 8,107.36/x
  3. Step 3: Cross multiply
    27,829.24x = 41,742.60 × 8,107.36
  4. Step 4: Simplify right side
    27,829.24x = 338,422,285.54
  5. Step 5: Solve for x
    x = 338,422,285.54/27,829.24
  6. Step 6: Final answer
    x = 12,160.67

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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.