Home / 19,150.20-28,725.30-14,229.45

Finding the Fourth Proportional to 19,150.20, 28,725.30 and 14,229.45

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Solution

The fourth proportional to 19,150.20, 28,725.30 and 14,229.45 is: 21,344.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.20 : 28,725.30 = 14,229.45 : x
  2. Step 2: Convert to fraction form
    19,150.20/28,725.30 = 14,229.45/x
  3. Step 3: Cross multiply
    19,150.20x = 28,725.30 × 14,229.45
  4. Step 4: Simplify right side
    19,150.20x = 408,745,220.09
  5. Step 5: Solve for x
    x = 408,745,220.09/19,150.20
  6. Step 6: Final answer
    x = 21,344.18

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1.5x scale

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.