Home / 25,338.27-38,013.60-17,856.43

Finding the Fourth Proportional to 25,338.27, 38,013.60 and 17,856.43

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Solution

The fourth proportional to 25,338.27, 38,013.60 and 17,856.43 is: 26,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,338.27 : 38,013.60 = 17,856.43 : x
  2. Step 2: Convert to fraction form
    25,338.27/38,013.60 = 17,856.43/x
  3. Step 3: Cross multiply
    25,338.27x = 38,013.60 × 17,856.43
  4. Step 4: Simplify right side
    25,338.27x = 678,787,187.45
  5. Step 5: Solve for x
    x = 678,787,187.45/25,338.27
  6. Step 6: Final answer
    x = 26,789.01

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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.