Home / 16,865.41-25,353.47-15,647.53

Finding the Fourth Proportional to 16,865.41, 25,353.47 and 15,647.53

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Solution

The fourth proportional to 16,865.41, 25,353.47 and 15,647.53 is: 23,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,865.41 : 25,353.47 = 15,647.53 : x
  2. Step 2: Convert to fraction form
    16,865.41/25,353.47 = 15,647.53/x
  3. Step 3: Cross multiply
    16,865.41x = 25,353.47 × 15,647.53
  4. Step 4: Simplify right side
    16,865.41x = 396,719,182.43
  5. Step 5: Solve for x
    x = 396,719,182.43/16,865.41
  6. Step 6: Final answer
    x = 23,522.65

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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.