Home / 27,286.62-40,951.80-14,142.75

Finding the Fourth Proportional to 27,286.62, 40,951.80 and 14,142.75

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Solution

The fourth proportional to 27,286.62, 40,951.80 and 14,142.75 is: 21,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,286.62 : 40,951.80 = 14,142.75 : x
  2. Step 2: Convert to fraction form
    27,286.62/40,951.80 = 14,142.75/x
  3. Step 3: Cross multiply
    27,286.62x = 40,951.80 × 14,142.75
  4. Step 4: Simplify right side
    27,286.62x = 579,171,069.45
  5. Step 5: Solve for x
    x = 579,171,069.45/27,286.62
  6. Step 6: Final answer
    x = 21,225.46

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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.