Home / 43,877.69-65,826.44-13,893.75

Finding the Fourth Proportional to 43,877.69, 65,826.44 and 13,893.75

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Solution

The fourth proportional to 43,877.69, 65,826.44 and 13,893.75 is: 20,843.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,877.69 : 65,826.44 = 13,893.75 : x
  2. Step 2: Convert to fraction form
    43,877.69/65,826.44 = 13,893.75/x
  3. Step 3: Cross multiply
    43,877.69x = 65,826.44 × 13,893.75
  4. Step 4: Simplify right side
    43,877.69x = 914,576,135.48
  5. Step 5: Solve for x
    x = 914,576,135.48/43,877.69
  6. Step 6: Final answer
    x = 20,843.76

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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.