Home / 27,105.35-40,665.38-11,305.15

Finding the Fourth Proportional to 27,105.35, 40,665.38 and 11,305.15

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Solution

The fourth proportional to 27,105.35, 40,665.38 and 11,305.15 is: 16,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.35 : 40,665.38 = 11,305.15 : x
  2. Step 2: Convert to fraction form
    27,105.35/40,665.38 = 11,305.15/x
  3. Step 3: Cross multiply
    27,105.35x = 40,665.38 × 11,305.15
  4. Step 4: Simplify right side
    27,105.35x = 459,728,062.52
  5. Step 5: Solve for x
    x = 459,728,062.52/27,105.35
  6. Step 6: Final answer
    x = 16,960.79

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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.