Home / 20,226.26-27,904.14-12,265.58

Finding the Fourth Proportional to 20,226.26, 27,904.14 and 12,265.58

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Solution

The fourth proportional to 20,226.26, 27,904.14 and 12,265.58 is: 16,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.26 : 27,904.14 = 12,265.58 : x
  2. Step 2: Convert to fraction form
    20,226.26/27,904.14 = 12,265.58/x
  3. Step 3: Cross multiply
    20,226.26x = 27,904.14 × 12,265.58
  4. Step 4: Simplify right side
    20,226.26x = 342,260,321.98
  5. Step 5: Solve for x
    x = 342,260,321.98/20,226.26
  6. Step 6: Final answer
    x = 16,921.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.