Home / 27,147.76-40,727.14-9,629.89

Finding the Fourth Proportional to 27,147.76, 40,727.14 and 9,629.89

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Solution

The fourth proportional to 27,147.76, 40,727.14 and 9,629.89 is: 14,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.76 : 40,727.14 = 9,629.89 : x
  2. Step 2: Convert to fraction form
    27,147.76/40,727.14 = 9,629.89/x
  3. Step 3: Cross multiply
    27,147.76x = 40,727.14 × 9,629.89
  4. Step 4: Simplify right side
    27,147.76x = 392,197,752.32
  5. Step 5: Solve for x
    x = 392,197,752.32/27,147.76
  6. Step 6: Final answer
    x = 14,446.78

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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.