Home / 26,872.85-40,309.38-8,153.05

Finding the Fourth Proportional to 26,872.85, 40,309.38 and 8,153.05

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Solution

The fourth proportional to 26,872.85, 40,309.38 and 8,153.05 is: 12,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.85 : 40,309.38 = 8,153.05 : x
  2. Step 2: Convert to fraction form
    26,872.85/40,309.38 = 8,153.05/x
  3. Step 3: Cross multiply
    26,872.85x = 40,309.38 × 8,153.05
  4. Step 4: Simplify right side
    26,872.85x = 328,644,148.30
  5. Step 5: Solve for x
    x = 328,644,148.30/26,872.85
  6. Step 6: Final answer
    x = 12,229.60

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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.