Home / 25,718.45-38,537.78-17,836.34

Finding the Fourth Proportional to 25,718.45, 38,537.78 and 17,836.34

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Solution

The fourth proportional to 25,718.45, 38,537.78 and 17,836.34 is: 26,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.45 : 38,537.78 = 17,836.34 : x
  2. Step 2: Convert to fraction form
    25,718.45/38,537.78 = 17,836.34/x
  3. Step 3: Cross multiply
    25,718.45x = 38,537.78 × 17,836.34
  4. Step 4: Simplify right side
    25,718.45x = 687,372,665.05
  5. Step 5: Solve for x
    x = 687,372,665.05/25,718.45
  6. Step 6: Final answer
    x = 26,726.84

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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.