Home / 19,766.88-27,304.92-15,816.24

Finding the Fourth Proportional to 19,766.88, 27,304.92 and 15,816.24

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Solution

The fourth proportional to 19,766.88, 27,304.92 and 15,816.24 is: 21,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,766.88 : 27,304.92 = 15,816.24 : x
  2. Step 2: Convert to fraction form
    19,766.88/27,304.92 = 15,816.24/x
  3. Step 3: Cross multiply
    19,766.88x = 27,304.92 × 15,816.24
  4. Step 4: Simplify right side
    19,766.88x = 431,861,167.90
  5. Step 5: Solve for x
    x = 431,861,167.90/19,766.88
  6. Step 6: Final answer
    x = 21,847.72

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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.