Home / 20,035.33-27,648.61-11,972.66

Finding the Fourth Proportional to 20,035.33, 27,648.61 and 11,972.66

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Solution

The fourth proportional to 20,035.33, 27,648.61 and 11,972.66 is: 16,522.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.33 : 27,648.61 = 11,972.66 : x
  2. Step 2: Convert to fraction form
    20,035.33/27,648.61 = 11,972.66/x
  3. Step 3: Cross multiply
    20,035.33x = 27,648.61 × 11,972.66
  4. Step 4: Simplify right side
    20,035.33x = 331,027,238.83
  5. Step 5: Solve for x
    x = 331,027,238.83/20,035.33
  6. Step 6: Final answer
    x = 16,522.18

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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.