Home / 25,754.78-38,559.19-16,371.47

Finding the Fourth Proportional to 25,754.78, 38,559.19 and 16,371.47

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Solution

The fourth proportional to 25,754.78, 38,559.19 and 16,371.47 is: 24,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,754.78 : 38,559.19 = 16,371.47 : x
  2. Step 2: Convert to fraction form
    25,754.78/38,559.19 = 16,371.47/x
  3. Step 3: Cross multiply
    25,754.78x = 38,559.19 × 16,371.47
  4. Step 4: Simplify right side
    25,754.78x = 631,270,622.31
  5. Step 5: Solve for x
    x = 631,270,622.31/25,754.78
  6. Step 6: Final answer
    x = 24,510.81

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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.