Home / 26,872.35-40,308.62-8,152.55

Finding the Fourth Proportional to 26,872.35, 40,308.62 and 8,152.55

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Solution

The fourth proportional to 26,872.35, 40,308.62 and 8,152.55 is: 12,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,872.35 : 40,308.62 = 8,152.55 : x
  2. Step 2: Convert to fraction form
    26,872.35/40,308.62 = 8,152.55/x
  3. Step 3: Cross multiply
    26,872.35x = 40,308.62 × 8,152.55
  4. Step 4: Simplify right side
    26,872.35x = 328,617,858.82
  5. Step 5: Solve for x
    x = 328,617,858.82/26,872.35
  6. Step 6: Final answer
    x = 12,228.85

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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.