Home / 26,872.60-40,309.00-8,152.80

Finding the Fourth Proportional to 26,872.60, 40,309.00 and 8,152.80

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Solution

The fourth proportional to 26,872.60, 40,309.00 and 8,152.80 is: 12,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.60 : 40,309.00 = 8,152.80 : x
  2. Step 2: Convert to fraction form
    26,872.60/40,309.00 = 8,152.80/x
  3. Step 3: Cross multiply
    26,872.60x = 40,309.00 × 8,152.80
  4. Step 4: Simplify right side
    26,872.60x = 328,630,993.27
  5. Step 5: Solve for x
    x = 328,630,993.27/26,872.60
  6. Step 6: Final answer
    x = 12,229.22

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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.