Home / 16,921-25,375.92-5,827.44

Finding the Fourth Proportional to 16,921, 25,375.92 and 5,827.44

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Solution

The fourth proportional to 16,921, 25,375.92 and 5,827.44 is: 8,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921 : 25,375.92 = 5,827.44 : x
  2. Step 2: Convert to fraction form
    16,921/25,375.92 = 5,827.44/x
  3. Step 3: Cross multiply
    16,921x = 25,375.92 × 5,827.44
  4. Step 4: Simplify right side
    16,921x = 147,876,651.24
  5. Step 5: Solve for x
    x = 147,876,651.24/16,921
  6. Step 6: Final answer
    x = 8,739.24

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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.