Home / 20,664.33-30,991.84-5,872.92

Finding the Fourth Proportional to 20,664.33, 30,991.84 and 5,872.92

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Solution

The fourth proportional to 20,664.33, 30,991.84 and 5,872.92 is: 8,808.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664.33 : 30,991.84 = 5,872.92 : x
  2. Step 2: Convert to fraction form
    20,664.33/30,991.84 = 5,872.92/x
  3. Step 3: Cross multiply
    20,664.33x = 30,991.84 × 5,872.92
  4. Step 4: Simplify right side
    20,664.33x = 182,012,582.29
  5. Step 5: Solve for x
    x = 182,012,582.29/20,664.33
  6. Step 6: Final answer
    x = 8,808.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.