Home / 26,330.80-39,496.20-20,801.20

Finding the Fourth Proportional to 26,330.80, 39,496.20 and 20,801.20

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Solution

The fourth proportional to 26,330.80, 39,496.20 and 20,801.20 is: 31,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,330.80 : 39,496.20 = 20,801.20 : x
  2. Step 2: Convert to fraction form
    26,330.80/39,496.20 = 20,801.20/x
  3. Step 3: Cross multiply
    26,330.80x = 39,496.20 × 20,801.20
  4. Step 4: Simplify right side
    26,330.80x = 821,568,355.44
  5. Step 5: Solve for x
    x = 821,568,355.44/26,330.80
  6. Step 6: Final answer
    x = 31,201.80

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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.