Home / 26,909.42-40,363.72-8,188.70

Finding the Fourth Proportional to 26,909.42, 40,363.72 and 8,188.70

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Solution

The fourth proportional to 26,909.42, 40,363.72 and 8,188.70 is: 12,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.42 : 40,363.72 = 8,188.70 : x
  2. Step 2: Convert to fraction form
    26,909.42/40,363.72 = 8,188.70/x
  3. Step 3: Cross multiply
    26,909.42x = 40,363.72 × 8,188.70
  4. Step 4: Simplify right side
    26,909.42x = 330,526,171.67
  5. Step 5: Solve for x
    x = 330,526,171.67/26,909.42
  6. Step 6: Final answer
    x = 12,282.92

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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.