Home / 28,946.43-39,947.64-16,198.83

Finding the Fourth Proportional to 28,946.43, 39,947.64 and 16,198.83

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Solution

The fourth proportional to 28,946.43, 39,947.64 and 16,198.83 is: 22,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.43 : 39,947.64 = 16,198.83 : x
  2. Step 2: Convert to fraction form
    28,946.43/39,947.64 = 16,198.83/x
  3. Step 3: Cross multiply
    28,946.43x = 39,947.64 × 16,198.83
  4. Step 4: Simplify right side
    28,946.43x = 647,105,029.26
  5. Step 5: Solve for x
    x = 647,105,029.26/28,946.43
  6. Step 6: Final answer
    x = 22,355.26

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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.