Home / 28,919.70-43,361.31-16,249.38

Finding the Fourth Proportional to 28,919.70, 43,361.31 and 16,249.38

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Solution

The fourth proportional to 28,919.70, 43,361.31 and 16,249.38 is: 24,363.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,919.70 : 43,361.31 = 16,249.38 : x
  2. Step 2: Convert to fraction form
    28,919.70/43,361.31 = 16,249.38/x
  3. Step 3: Cross multiply
    28,919.70x = 43,361.31 × 16,249.38
  4. Step 4: Simplify right side
    28,919.70x = 704,594,403.49
  5. Step 5: Solve for x
    x = 704,594,403.49/28,919.70
  6. Step 6: Final answer
    x = 24,363.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.