Home / 27,091.09-40,652.69-12,299.78

Finding the Fourth Proportional to 27,091.09, 40,652.69 and 12,299.78

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Solution

The fourth proportional to 27,091.09, 40,652.69 and 12,299.78 is: 18,456.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091.09 : 40,652.69 = 12,299.78 : x
  2. Step 2: Convert to fraction form
    27,091.09/40,652.69 = 12,299.78/x
  3. Step 3: Cross multiply
    27,091.09x = 40,652.69 × 12,299.78
  4. Step 4: Simplify right side
    27,091.09x = 500,019,183.54
  5. Step 5: Solve for x
    x = 500,019,183.54/27,091.09
  6. Step 6: Final answer
    x = 18,456.96

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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.