Home / 27,781.80-41,682.42-8,061.54

Finding the Fourth Proportional to 27,781.80, 41,682.42 and 8,061.54

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Solution

The fourth proportional to 27,781.80, 41,682.42 and 8,061.54 is: 12,095.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781.80 : 41,682.42 = 8,061.54 : x
  2. Step 2: Convert to fraction form
    27,781.80/41,682.42 = 8,061.54/x
  3. Step 3: Cross multiply
    27,781.80x = 41,682.42 × 8,061.54
  4. Step 4: Simplify right side
    27,781.80x = 336,024,496.13
  5. Step 5: Solve for x
    x = 336,024,496.13/27,781.80
  6. Step 6: Final answer
    x = 12,095.13

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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.