Home / 27,981.07-41,976.16-8,261.62

Finding the Fourth Proportional to 27,981.07, 41,976.16 and 8,261.62

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Solution

The fourth proportional to 27,981.07, 41,976.16 and 8,261.62 is: 12,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.07 : 41,976.16 = 8,261.62 : x
  2. Step 2: Convert to fraction form
    27,981.07/41,976.16 = 8,261.62/x
  3. Step 3: Cross multiply
    27,981.07x = 41,976.16 × 8,261.62
  4. Step 4: Simplify right side
    27,981.07x = 346,791,082.56
  5. Step 5: Solve for x
    x = 346,791,082.56/27,981.07
  6. Step 6: Final answer
    x = 12,393.78

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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.