Home / 26,739.56-40,106.90-20,965.88

Finding the Fourth Proportional to 26,739.56, 40,106.90 and 20,965.88

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Solution

The fourth proportional to 26,739.56, 40,106.90 and 20,965.88 is: 31,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,739.56 : 40,106.90 = 20,965.88 : x
  2. Step 2: Convert to fraction form
    26,739.56/40,106.90 = 20,965.88/x
  3. Step 3: Cross multiply
    26,739.56x = 40,106.90 × 20,965.88
  4. Step 4: Simplify right side
    26,739.56x = 840,876,452.57
  5. Step 5: Solve for x
    x = 840,876,452.57/26,739.56
  6. Step 6: Final answer
    x = 31,446.91

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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.