Home / 28,850.20-39,813.24-16,274.92

Finding the Fourth Proportional to 28,850.20, 39,813.24 and 16,274.92

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Solution

The fourth proportional to 28,850.20, 39,813.24 and 16,274.92 is: 22,459.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,850.20 : 39,813.24 = 16,274.92 : x
  2. Step 2: Convert to fraction form
    28,850.20/39,813.24 = 16,274.92/x
  3. Step 3: Cross multiply
    28,850.20x = 39,813.24 × 16,274.92
  4. Step 4: Simplify right side
    28,850.20x = 647,957,295.94
  5. Step 5: Solve for x
    x = 647,957,295.94/28,850.20
  6. Step 6: Final answer
    x = 22,459.37

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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.