Home / 26,575.80-36,669.20-20,200.70

Finding the Fourth Proportional to 26,575.80, 36,669.20 and 20,200.70

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Solution

The fourth proportional to 26,575.80, 36,669.20 and 20,200.70 is: 27,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,575.80 : 36,669.20 = 20,200.70 : x
  2. Step 2: Convert to fraction form
    26,575.80/36,669.20 = 20,200.70/x
  3. Step 3: Cross multiply
    26,575.80x = 36,669.20 × 20,200.70
  4. Step 4: Simplify right side
    26,575.80x = 740,743,224.09
  5. Step 5: Solve for x
    x = 740,743,224.09/26,575.80
  6. Step 6: Final answer
    x = 27,872.85

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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.