Home / 27,108.55-40,616.56-19,197.92

Finding the Fourth Proportional to 27,108.55, 40,616.56 and 19,197.92

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Solution

The fourth proportional to 27,108.55, 40,616.56 and 19,197.92 is: 28,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,108.55 : 40,616.56 = 19,197.92 : x
  2. Step 2: Convert to fraction form
    27,108.55/40,616.56 = 19,197.92/x
  3. Step 3: Cross multiply
    27,108.55x = 40,616.56 × 19,197.92
  4. Step 4: Simplify right side
    27,108.55x = 779,753,469.56
  5. Step 5: Solve for x
    x = 779,753,469.56/27,108.55
  6. Step 6: Final answer
    x = 28,764.12

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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.