Home / 27,429.87-41,140.60-8,707.47

Finding the Fourth Proportional to 27,429.87, 41,140.60 and 8,707.47

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Solution

The fourth proportional to 27,429.87, 41,140.60 and 8,707.47 is: 13,059.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,429.87 : 41,140.60 = 8,707.47 : x
  2. Step 2: Convert to fraction form
    27,429.87/41,140.60 = 8,707.47/x
  3. Step 3: Cross multiply
    27,429.87x = 41,140.60 × 8,707.47
  4. Step 4: Simplify right side
    27,429.87x = 358,230,699.11
  5. Step 5: Solve for x
    x = 358,230,699.11/27,429.87
  6. Step 6: Final answer
    x = 13,059.88

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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.