Home / 21,176.26-31,764.66-8,025.10

Finding the Fourth Proportional to 21,176.26, 31,764.66 and 8,025.10

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Solution

The fourth proportional to 21,176.26, 31,764.66 and 8,025.10 is: 12,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176.26 : 31,764.66 = 8,025.10 : x
  2. Step 2: Convert to fraction form
    21,176.26/31,764.66 = 8,025.10/x
  3. Step 3: Cross multiply
    21,176.26x = 31,764.66 × 8,025.10
  4. Step 4: Simplify right side
    21,176.26x = 254,914,572.97
  5. Step 5: Solve for x
    x = 254,914,572.97/21,176.26
  6. Step 6: Final answer
    x = 12,037.75

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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.