Home / 25,478.46-38,223.12-9,896.04

Finding the Fourth Proportional to 25,478.46, 38,223.12 and 9,896.04

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Solution

The fourth proportional to 25,478.46, 38,223.12 and 9,896.04 is: 14,846.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.46 : 38,223.12 = 9,896.04 : x
  2. Step 2: Convert to fraction form
    25,478.46/38,223.12 = 9,896.04/x
  3. Step 3: Cross multiply
    25,478.46x = 38,223.12 × 9,896.04
  4. Step 4: Simplify right side
    25,478.46x = 378,257,524.44
  5. Step 5: Solve for x
    x = 378,257,524.44/25,478.46
  6. Step 6: Final answer
    x = 14,846.17

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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.