Home / 38,692.34-57,963.77-28,542.82

Finding the Fourth Proportional to 38,692.34, 57,963.77 and 28,542.82

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Solution

The fourth proportional to 38,692.34, 57,963.77 and 28,542.82 is: 42,759.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.34 : 57,963.77 = 28,542.82 : x
  2. Step 2: Convert to fraction form
    38,692.34/57,963.77 = 28,542.82/x
  3. Step 3: Cross multiply
    38,692.34x = 57,963.77 × 28,542.82
  4. Step 4: Simplify right side
    38,692.34x = 1,654,449,453.63
  5. Step 5: Solve for x
    x = 1,654,449,453.63/38,692.34
  6. Step 6: Final answer
    x = 42,759.10

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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.