Home / 20,236.96-27,927.03-11,284.75

Finding the Fourth Proportional to 20,236.96, 27,927.03 and 11,284.75

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Solution

The fourth proportional to 20,236.96, 27,927.03 and 11,284.75 is: 15,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,236.96 : 27,927.03 = 11,284.75 : x
  2. Step 2: Convert to fraction form
    20,236.96/27,927.03 = 11,284.75/x
  3. Step 3: Cross multiply
    20,236.96x = 27,927.03 × 11,284.75
  4. Step 4: Simplify right side
    20,236.96x = 315,149,551.79
  5. Step 5: Solve for x
    x = 315,149,551.79/20,236.96
  6. Step 6: Final answer
    x = 15,572.97

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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.