Home / 25,961.80-38,896.62-17,713.48

Finding the Fourth Proportional to 25,961.80, 38,896.62 and 17,713.48

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Solution

The fourth proportional to 25,961.80, 38,896.62 and 17,713.48 is: 26,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.80 : 38,896.62 = 17,713.48 : x
  2. Step 2: Convert to fraction form
    25,961.80/38,896.62 = 17,713.48/x
  3. Step 3: Cross multiply
    25,961.80x = 38,896.62 × 17,713.48
  4. Step 4: Simplify right side
    25,961.80x = 688,994,500.44
  5. Step 5: Solve for x
    x = 688,994,500.44/25,961.80
  6. Step 6: Final answer
    x = 26,538.78

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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.