Home / 27,019.97-40,530.09-8,299.79

Finding the Fourth Proportional to 27,019.97, 40,530.09 and 8,299.79

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Solution

The fourth proportional to 27,019.97, 40,530.09 and 8,299.79 is: 12,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,019.97 : 40,530.09 = 8,299.79 : x
  2. Step 2: Convert to fraction form
    27,019.97/40,530.09 = 8,299.79/x
  3. Step 3: Cross multiply
    27,019.97x = 40,530.09 × 8,299.79
  4. Step 4: Simplify right side
    27,019.97x = 336,391,235.68
  5. Step 5: Solve for x
    x = 336,391,235.68/27,019.97
  6. Step 6: Final answer
    x = 12,449.73

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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.