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Finding the Fourth Proportional to 27,247.88, 40,859.06 and 9,713.61

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Solution

The fourth proportional to 27,247.88, 40,859.06 and 9,713.61 is: 14,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,247.88 : 40,859.06 = 9,713.61 : x
  2. Step 2: Convert to fraction form
    27,247.88/40,859.06 = 9,713.61/x
  3. Step 3: Cross multiply
    27,247.88x = 40,859.06 × 9,713.61
  4. Step 4: Simplify right side
    27,247.88x = 396,888,925.24
  5. Step 5: Solve for x
    x = 396,888,925.24/27,247.88
  6. Step 6: Final answer
    x = 14,565.87

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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.