Home / 27,612.76-41,433.78-21,080.92

Finding the Fourth Proportional to 27,612.76, 41,433.78 and 21,080.92

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Solution

The fourth proportional to 27,612.76, 41,433.78 and 21,080.92 is: 31,632.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.76 : 41,433.78 = 21,080.92 : x
  2. Step 2: Convert to fraction form
    27,612.76/41,433.78 = 21,080.92/x
  3. Step 3: Cross multiply
    27,612.76x = 41,433.78 × 21,080.92
  4. Step 4: Simplify right side
    27,612.76x = 873,462,201.48
  5. Step 5: Solve for x
    x = 873,462,201.48/27,612.76
  6. Step 6: Final answer
    x = 31,632.56

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1.5x scale

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.