Home / 20,592.72-28,417.19-11,161.08

Finding the Fourth Proportional to 20,592.72, 28,417.19 and 11,161.08

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Solution

The fourth proportional to 20,592.72, 28,417.19 and 11,161.08 is: 15,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,592.72 : 28,417.19 = 11,161.08 : x
  2. Step 2: Convert to fraction form
    20,592.72/28,417.19 = 11,161.08/x
  3. Step 3: Cross multiply
    20,592.72x = 28,417.19 × 11,161.08
  4. Step 4: Simplify right side
    20,592.72x = 317,166,530.97
  5. Step 5: Solve for x
    x = 317,166,530.97/20,592.72
  6. Step 6: Final answer
    x = 15,401.88

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