Home / 27,115.72-40,673.82-9,585.80

Finding the Fourth Proportional to 27,115.72, 40,673.82 and 9,585.80

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Solution

The fourth proportional to 27,115.72, 40,673.82 and 9,585.80 is: 14,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.72 : 40,673.82 = 9,585.80 : x
  2. Step 2: Convert to fraction form
    27,115.72/40,673.82 = 9,585.80/x
  3. Step 3: Cross multiply
    27,115.72x = 40,673.82 × 9,585.80
  4. Step 4: Simplify right side
    27,115.72x = 389,891,103.76
  5. Step 5: Solve for x
    x = 389,891,103.76/27,115.72
  6. Step 6: Final answer
    x = 14,378.78

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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.