Home / 28,731.75-39,650.37-16,795.59

Finding the Fourth Proportional to 28,731.75, 39,650.37 and 16,795.59

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Solution

The fourth proportional to 28,731.75, 39,650.37 and 16,795.59 is: 23,178.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.75 : 39,650.37 = 16,795.59 : x
  2. Step 2: Convert to fraction form
    28,731.75/39,650.37 = 16,795.59/x
  3. Step 3: Cross multiply
    28,731.75x = 39,650.37 × 16,795.59
  4. Step 4: Simplify right side
    28,731.75x = 665,951,357.87
  5. Step 5: Solve for x
    x = 665,951,357.87/28,731.75
  6. Step 6: Final answer
    x = 23,178.24

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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.