Home / 20,052.31-27,669.29-11,099.79

Finding the Fourth Proportional to 20,052.31, 27,669.29 and 11,099.79

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Solution

The fourth proportional to 20,052.31, 27,669.29 and 11,099.79 is: 15,316.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.31 : 27,669.29 = 11,099.79 : x
  2. Step 2: Convert to fraction form
    20,052.31/27,669.29 = 11,099.79/x
  3. Step 3: Cross multiply
    20,052.31x = 27,669.29 × 11,099.79
  4. Step 4: Simplify right side
    20,052.31x = 307,123,308.45
  5. Step 5: Solve for x
    x = 307,123,308.45/20,052.31
  6. Step 6: Final answer
    x = 15,316.11

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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.