Home / 26,231.09-39,358.26-13,748.15

Finding the Fourth Proportional to 26,231.09, 39,358.26 and 13,748.15

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Solution

The fourth proportional to 26,231.09, 39,358.26 and 13,748.15 is: 20,628.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,231.09 : 39,358.26 = 13,748.15 : x
  2. Step 2: Convert to fraction form
    26,231.09/39,358.26 = 13,748.15/x
  3. Step 3: Cross multiply
    26,231.09x = 39,358.26 × 13,748.15
  4. Step 4: Simplify right side
    26,231.09x = 541,103,065.43
  5. Step 5: Solve for x
    x = 541,103,065.43/26,231.09
  6. Step 6: Final answer
    x = 20,628.31

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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.