Home / 20,234.93-27,860.66-17,204.09

Finding the Fourth Proportional to 20,234.93, 27,860.66 and 17,204.09

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Solution

The fourth proportional to 20,234.93, 27,860.66 and 17,204.09 is: 23,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234.93 : 27,860.66 = 17,204.09 : x
  2. Step 2: Convert to fraction form
    20,234.93/27,860.66 = 17,204.09/x
  3. Step 3: Cross multiply
    20,234.93x = 27,860.66 × 17,204.09
  4. Step 4: Simplify right side
    20,234.93x = 479,317,076.78
  5. Step 5: Solve for x
    x = 479,317,076.78/20,234.93
  6. Step 6: Final answer
    x = 23,687.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.