Home / 28,003.98-38,644.59-16,067.13

Finding the Fourth Proportional to 28,003.98, 38,644.59 and 16,067.13

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Solution

The fourth proportional to 28,003.98, 38,644.59 and 16,067.13 is: 22,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,003.98 : 38,644.59 = 16,067.13 : x
  2. Step 2: Convert to fraction form
    28,003.98/38,644.59 = 16,067.13/x
  3. Step 3: Cross multiply
    28,003.98x = 38,644.59 × 16,067.13
  4. Step 4: Simplify right side
    28,003.98x = 620,907,651.33
  5. Step 5: Solve for x
    x = 620,907,651.33/28,003.98
  6. Step 6: Final answer
    x = 22,172.12

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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.