Home / 20,176.43-30,209.22-15,231.11

Finding the Fourth Proportional to 20,176.43, 30,209.22 and 15,231.11

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Solution

The fourth proportional to 20,176.43, 30,209.22 and 15,231.11 is: 22,804.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176.43 : 30,209.22 = 15,231.11 : x
  2. Step 2: Convert to fraction form
    20,176.43/30,209.22 = 15,231.11/x
  3. Step 3: Cross multiply
    20,176.43x = 30,209.22 × 15,231.11
  4. Step 4: Simplify right side
    20,176.43x = 460,119,801.79
  5. Step 5: Solve for x
    x = 460,119,801.79/20,176.43
  6. Step 6: Final answer
    x = 22,804.82

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