Home / 27,310.72-37,692.24-15,374.56

Finding the Fourth Proportional to 27,310.72, 37,692.24 and 15,374.56

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Solution

The fourth proportional to 27,310.72, 37,692.24 and 15,374.56 is: 21,218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.72 : 37,692.24 = 15,374.56 : x
  2. Step 2: Convert to fraction form
    27,310.72/37,692.24 = 15,374.56/x
  3. Step 3: Cross multiply
    27,310.72x = 37,692.24 × 15,374.56
  4. Step 4: Simplify right side
    27,310.72x = 579,501,605.41
  5. Step 5: Solve for x
    x = 579,501,605.41/27,310.72
  6. Step 6: Final answer
    x = 21,218.83

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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.