Home / 25,963.14-38,979.22-17,557.88

Finding the Fourth Proportional to 25,963.14, 38,979.22 and 17,557.88

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Solution

The fourth proportional to 25,963.14, 38,979.22 and 17,557.88 is: 26,360.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,963.14 : 38,979.22 = 17,557.88 : x
  2. Step 2: Convert to fraction form
    25,963.14/38,979.22 = 17,557.88/x
  3. Step 3: Cross multiply
    25,963.14x = 38,979.22 × 17,557.88
  4. Step 4: Simplify right side
    25,963.14x = 684,392,467.25
  5. Step 5: Solve for x
    x = 684,392,467.25/25,963.14
  6. Step 6: Final answer
    x = 26,360.16

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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.