Home / 23,286.28-34,939.68-13,290.61

Finding the Fourth Proportional to 23,286.28, 34,939.68 and 13,290.61

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Solution

The fourth proportional to 23,286.28, 34,939.68 and 13,290.61 is: 19,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,286.28 : 34,939.68 = 13,290.61 : x
  2. Step 2: Convert to fraction form
    23,286.28/34,939.68 = 13,290.61/x
  3. Step 3: Cross multiply
    23,286.28x = 34,939.68 × 13,290.61
  4. Step 4: Simplify right side
    23,286.28x = 464,369,660.40
  5. Step 5: Solve for x
    x = 464,369,660.40/23,286.28
  6. Step 6: Final answer
    x = 19,941.77

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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.