Home / 28,750.23-43,122.11-7,692.48

Finding the Fourth Proportional to 28,750.23, 43,122.11 and 7,692.48

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Solution

The fourth proportional to 28,750.23, 43,122.11 and 7,692.48 is: 11,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.23 : 43,122.11 = 7,692.48 : x
  2. Step 2: Convert to fraction form
    28,750.23/43,122.11 = 7,692.48/x
  3. Step 3: Cross multiply
    28,750.23x = 43,122.11 × 7,692.48
  4. Step 4: Simplify right side
    28,750.23x = 331,715,930.27
  5. Step 5: Solve for x
    x = 331,715,930.27/28,750.23
  6. Step 6: Final answer
    x = 11,537.85

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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.