Home / 28,948.35-39,949.44-16,201.43

Finding the Fourth Proportional to 28,948.35, 39,949.44 and 16,201.43

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Solution

The fourth proportional to 28,948.35, 39,949.44 and 16,201.43 is: 22,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,948.35 : 39,949.44 = 16,201.43 : x
  2. Step 2: Convert to fraction form
    28,948.35/39,949.44 = 16,201.43/x
  3. Step 3: Cross multiply
    28,948.35x = 39,949.44 × 16,201.43
  4. Step 4: Simplify right side
    28,948.35x = 647,237,855.95
  5. Step 5: Solve for x
    x = 647,237,855.95/28,948.35
  6. Step 6: Final answer
    x = 22,358.37

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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.