Home / 26,205.60-39,243.60-17,392.80

Finding the Fourth Proportional to 26,205.60, 39,243.60 and 17,392.80

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Solution

The fourth proportional to 26,205.60, 39,243.60 and 17,392.80 is: 26,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,205.60 : 39,243.60 = 17,392.80 : x
  2. Step 2: Convert to fraction form
    26,205.60/39,243.60 = 17,392.80/x
  3. Step 3: Cross multiply
    26,205.60x = 39,243.60 × 17,392.80
  4. Step 4: Simplify right side
    26,205.60x = 682,556,086.08
  5. Step 5: Solve for x
    x = 682,556,086.08/26,205.60
  6. Step 6: Final answer
    x = 26,046.19

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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.