Home / 26,287.82-39,422.05-20,676.44

Finding the Fourth Proportional to 26,287.82, 39,422.05 and 20,676.44

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Solution

The fourth proportional to 26,287.82, 39,422.05 and 20,676.44 is: 31,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.82 : 39,422.05 = 20,676.44 : x
  2. Step 2: Convert to fraction form
    26,287.82/39,422.05 = 20,676.44/x
  3. Step 3: Cross multiply
    26,287.82x = 39,422.05 × 20,676.44
  4. Step 4: Simplify right side
    26,287.82x = 815,107,651.50
  5. Step 5: Solve for x
    x = 815,107,651.50/26,287.82
  6. Step 6: Final answer
    x = 31,007.05

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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.