Home / 25,489.89-38,163.96-19,231.02

Finding the Fourth Proportional to 25,489.89, 38,163.96 and 19,231.02

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Solution

The fourth proportional to 25,489.89, 38,163.96 and 19,231.02 is: 28,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.89 : 38,163.96 = 19,231.02 : x
  2. Step 2: Convert to fraction form
    25,489.89/38,163.96 = 19,231.02/x
  3. Step 3: Cross multiply
    25,489.89x = 38,163.96 × 19,231.02
  4. Step 4: Simplify right side
    25,489.89x = 733,931,878.04
  5. Step 5: Solve for x
    x = 733,931,878.04/25,489.89
  6. Step 6: Final answer
    x = 28,793.06

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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.