Home / 25,489.20-38,233.80-6,769.20

Finding the Fourth Proportional to 25,489.20, 38,233.80 and 6,769.20

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Solution

The fourth proportional to 25,489.20, 38,233.80 and 6,769.20 is: 10,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,489.20 : 38,233.80 = 6,769.20 : x
  2. Step 2: Convert to fraction form
    25,489.20/38,233.80 = 6,769.20/x
  3. Step 3: Cross multiply
    25,489.20x = 38,233.80 × 6,769.20
  4. Step 4: Simplify right side
    25,489.20x = 258,812,238.96
  5. Step 5: Solve for x
    x = 258,812,238.96/25,489.20
  6. Step 6: Final answer
    x = 10,153.80

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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.