Home / 27,984.28-41,976.37-19,192.54

Finding the Fourth Proportional to 27,984.28, 41,976.37 and 19,192.54

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Solution

The fourth proportional to 27,984.28, 41,976.37 and 19,192.54 is: 28,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.28 : 41,976.37 = 19,192.54 : x
  2. Step 2: Convert to fraction form
    27,984.28/41,976.37 = 19,192.54/x
  3. Step 3: Cross multiply
    27,984.28x = 41,976.37 × 19,192.54
  4. Step 4: Simplify right side
    27,984.28x = 805,633,160.28
  5. Step 5: Solve for x
    x = 805,633,160.28/27,984.28
  6. Step 6: Final answer
    x = 28,788.78

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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.