Home / 26,309.75-39,126.30-25,479.14

Finding the Fourth Proportional to 26,309.75, 39,126.30 and 25,479.14

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Solution

The fourth proportional to 26,309.75, 39,126.30 and 25,479.14 is: 37,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.75 : 39,126.30 = 25,479.14 : x
  2. Step 2: Convert to fraction form
    26,309.75/39,126.30 = 25,479.14/x
  3. Step 3: Cross multiply
    26,309.75x = 39,126.30 × 25,479.14
  4. Step 4: Simplify right side
    26,309.75x = 996,904,279.75
  5. Step 5: Solve for x
    x = 996,904,279.75/26,309.75
  6. Step 6: Final answer
    x = 37,891.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.