Home / 20,229.96-27,917.36-11,277.27

Finding the Fourth Proportional to 20,229.96, 27,917.36 and 11,277.27

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Solution

The fourth proportional to 20,229.96, 27,917.36 and 11,277.27 is: 15,562.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.96 : 27,917.36 = 11,277.27 : x
  2. Step 2: Convert to fraction form
    20,229.96/27,917.36 = 11,277.27/x
  3. Step 3: Cross multiply
    20,229.96x = 27,917.36 × 11,277.27
  4. Step 4: Simplify right side
    20,229.96x = 314,831,654.71
  5. Step 5: Solve for x
    x = 314,831,654.71/20,229.96
  6. Step 6: Final answer
    x = 15,562.64

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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.