Home / 26,690.33-40,010.25-11,891.09

Finding the Fourth Proportional to 26,690.33, 40,010.25 and 11,891.09

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Solution

The fourth proportional to 26,690.33, 40,010.25 and 11,891.09 is: 17,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,690.33 : 40,010.25 = 11,891.09 : x
  2. Step 2: Convert to fraction form
    26,690.33/40,010.25 = 11,891.09/x
  3. Step 3: Cross multiply
    26,690.33x = 40,010.25 × 11,891.09
  4. Step 4: Simplify right side
    26,690.33x = 475,765,483.67
  5. Step 5: Solve for x
    x = 475,765,483.67/26,690.33
  6. Step 6: Final answer
    x = 17,825.39

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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.