Home / 25,961.14-38,976.22-17,555.88

Finding the Fourth Proportional to 25,961.14, 38,976.22 and 17,555.88

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Solution

The fourth proportional to 25,961.14, 38,976.22 and 17,555.88 is: 26,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,961.14 : 38,976.22 = 17,555.88 : x
  2. Step 2: Convert to fraction form
    25,961.14/38,976.22 = 17,555.88/x
  3. Step 3: Cross multiply
    25,961.14x = 38,976.22 × 17,555.88
  4. Step 4: Simplify right side
    25,961.14x = 684,261,753.39
  5. Step 5: Solve for x
    x = 684,261,753.39/25,961.14
  6. Step 6: Final answer
    x = 26,357.16

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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.