Home / 28,249.78-38,992.26-17,633.02

Finding the Fourth Proportional to 28,249.78, 38,992.26 and 17,633.02

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Solution

The fourth proportional to 28,249.78, 38,992.26 and 17,633.02 is: 24,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.78 : 38,992.26 = 17,633.02 : x
  2. Step 2: Convert to fraction form
    28,249.78/38,992.26 = 17,633.02/x
  3. Step 3: Cross multiply
    28,249.78x = 38,992.26 × 17,633.02
  4. Step 4: Simplify right side
    28,249.78x = 687,551,300.43
  5. Step 5: Solve for x
    x = 687,551,300.43/28,249.78
  6. Step 6: Final answer
    x = 24,338.29

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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.