Home / 28,946.38-39,943.62-16,198.90

Finding the Fourth Proportional to 28,946.38, 39,943.62 and 16,198.90

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Solution

The fourth proportional to 28,946.38, 39,943.62 and 16,198.90 is: 22,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.38 : 39,943.62 = 16,198.90 : x
  2. Step 2: Convert to fraction form
    28,946.38/39,943.62 = 16,198.90/x
  3. Step 3: Cross multiply
    28,946.38x = 39,943.62 × 16,198.90
  4. Step 4: Simplify right side
    28,946.38x = 647,042,706.02
  5. Step 5: Solve for x
    x = 647,042,706.02/28,946.38
  6. Step 6: Final answer
    x = 22,353.15

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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.