Home / 27,115.56-40,674.78-8,408.52

Finding the Fourth Proportional to 27,115.56, 40,674.78 and 8,408.52

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Solution

The fourth proportional to 27,115.56, 40,674.78 and 8,408.52 is: 12,613.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.56 : 40,674.78 = 8,408.52 : x
  2. Step 2: Convert to fraction form
    27,115.56/40,674.78 = 8,408.52/x
  3. Step 3: Cross multiply
    27,115.56x = 40,674.78 × 8,408.52
  4. Step 4: Simplify right side
    27,115.56x = 342,014,701.13
  5. Step 5: Solve for x
    x = 342,014,701.13/27,115.56
  6. Step 6: Final answer
    x = 12,613.23

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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.