Home / 26,780.16-37,115.52-26,380.80

Finding the Fourth Proportional to 26,780.16, 37,115.52 and 26,380.80

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Solution

The fourth proportional to 26,780.16, 37,115.52 and 26,380.80 is: 36,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.16 : 37,115.52 = 26,380.80 : x
  2. Step 2: Convert to fraction form
    26,780.16/37,115.52 = 26,380.80/x
  3. Step 3: Cross multiply
    26,780.16x = 37,115.52 × 26,380.80
  4. Step 4: Simplify right side
    26,780.16x = 979,137,110.02
  5. Step 5: Solve for x
    x = 979,137,110.02/26,780.16
  6. Step 6: Final answer
    x = 36,562.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.