Home / 20,896.38-31,344.77-16,730.96

Finding the Fourth Proportional to 20,896.38, 31,344.77 and 16,730.96

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Solution

The fourth proportional to 20,896.38, 31,344.77 and 16,730.96 is: 25,096.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,896.38 : 31,344.77 = 16,730.96 : x
  2. Step 2: Convert to fraction form
    20,896.38/31,344.77 = 16,730.96/x
  3. Step 3: Cross multiply
    20,896.38x = 31,344.77 × 16,730.96
  4. Step 4: Simplify right side
    20,896.38x = 524,427,978.18
  5. Step 5: Solve for x
    x = 524,427,978.18/20,896.38
  6. Step 6: Final answer
    x = 25,096.59

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1.5x scale

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.