Home / 20,104.42-27,725.94-12,551.44

Finding the Fourth Proportional to 20,104.42, 27,725.94 and 12,551.44

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Solution

The fourth proportional to 20,104.42, 27,725.94 and 12,551.44 is: 17,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,104.42 : 27,725.94 = 12,551.44 : x
  2. Step 2: Convert to fraction form
    20,104.42/27,725.94 = 12,551.44/x
  3. Step 3: Cross multiply
    20,104.42x = 27,725.94 × 12,551.44
  4. Step 4: Simplify right side
    20,104.42x = 348,000,472.35
  5. Step 5: Solve for x
    x = 348,000,472.35/20,104.42
  6. Step 6: Final answer
    x = 17,309.65

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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.