Home / 26,349.64-36,375.78-20,367.80

Finding the Fourth Proportional to 26,349.64, 36,375.78 and 20,367.80

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Solution

The fourth proportional to 26,349.64, 36,375.78 and 20,367.80 is: 28,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,349.64 : 36,375.78 = 20,367.80 : x
  2. Step 2: Convert to fraction form
    26,349.64/36,375.78 = 20,367.80/x
  3. Step 3: Cross multiply
    26,349.64x = 36,375.78 × 20,367.80
  4. Step 4: Simplify right side
    26,349.64x = 740,894,611.88
  5. Step 5: Solve for x
    x = 740,894,611.88/26,349.64
  6. Step 6: Final answer
    x = 28,117.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.