Home / 27,976.74-38,608.59-17,217.62

Finding the Fourth Proportional to 27,976.74, 38,608.59 and 17,217.62

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Solution

The fourth proportional to 27,976.74, 38,608.59 and 17,217.62 is: 23,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,976.74 : 38,608.59 = 17,217.62 : x
  2. Step 2: Convert to fraction form
    27,976.74/38,608.59 = 17,217.62/x
  3. Step 3: Cross multiply
    27,976.74x = 38,608.59 × 17,217.62
  4. Step 4: Simplify right side
    27,976.74x = 664,747,838.31
  5. Step 5: Solve for x
    x = 664,747,838.31/27,976.74
  6. Step 6: Final answer
    x = 23,760.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.