Home / 20,244.89-27,926.25-12,172.94

Finding the Fourth Proportional to 20,244.89, 27,926.25 and 12,172.94

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Solution

The fourth proportional to 20,244.89, 27,926.25 and 12,172.94 is: 16,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,244.89 : 27,926.25 = 12,172.94 : x
  2. Step 2: Convert to fraction form
    20,244.89/27,926.25 = 12,172.94/x
  3. Step 3: Cross multiply
    20,244.89x = 27,926.25 × 12,172.94
  4. Step 4: Simplify right side
    20,244.89x = 339,944,565.68
  5. Step 5: Solve for x
    x = 339,944,565.68/20,244.89
  6. Step 6: Final answer
    x = 16,791.62

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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.