Home / 26,098.87-39,131.31-17,187.25

Finding the Fourth Proportional to 26,098.87, 39,131.31 and 17,187.25

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Solution

The fourth proportional to 26,098.87, 39,131.31 and 17,187.25 is: 25,769.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,098.87 : 39,131.31 = 17,187.25 : x
  2. Step 2: Convert to fraction form
    26,098.87/39,131.31 = 17,187.25/x
  3. Step 3: Cross multiply
    26,098.87x = 39,131.31 × 17,187.25
  4. Step 4: Simplify right side
    26,098.87x = 672,559,607.80
  5. Step 5: Solve for x
    x = 672,559,607.80/26,098.87
  6. Step 6: Final answer
    x = 25,769.68

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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.