Home / 18,829.43-28,199.61-16,350.78

Finding the Fourth Proportional to 18,829.43, 28,199.61 and 16,350.78

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Solution

The fourth proportional to 18,829.43, 28,199.61 and 16,350.78 is: 24,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,829.43 : 28,199.61 = 16,350.78 : x
  2. Step 2: Convert to fraction form
    18,829.43/28,199.61 = 16,350.78/x
  3. Step 3: Cross multiply
    18,829.43x = 28,199.61 × 16,350.78
  4. Step 4: Simplify right side
    18,829.43x = 461,085,724.94
  5. Step 5: Solve for x
    x = 461,085,724.94/18,829.43
  6. Step 6: Final answer
    x = 24,487.50

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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.