Home / 27,680.80-41,521.20-25,542.40

Finding the Fourth Proportional to 27,680.80, 41,521.20 and 25,542.40

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Solution

The fourth proportional to 27,680.80, 41,521.20 and 25,542.40 is: 38,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,680.80 : 41,521.20 = 25,542.40 : x
  2. Step 2: Convert to fraction form
    27,680.80/41,521.20 = 25,542.40/x
  3. Step 3: Cross multiply
    27,680.80x = 41,521.20 × 25,542.40
  4. Step 4: Simplify right side
    27,680.80x = 1,060,551,098.88
  5. Step 5: Solve for x
    x = 1,060,551,098.88/27,680.80
  6. Step 6: Final answer
    x = 38,313.60

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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.