Home / 27,310.78-37,692.48-15,376.44

Finding the Fourth Proportional to 27,310.78, 37,692.48 and 15,376.44

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Solution

The fourth proportional to 27,310.78, 37,692.48 and 15,376.44 is: 21,221.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.78 : 37,692.48 = 15,376.44 : x
  2. Step 2: Convert to fraction form
    27,310.78/37,692.48 = 15,376.44/x
  3. Step 3: Cross multiply
    27,310.78x = 37,692.48 × 15,376.44
  4. Step 4: Simplify right side
    27,310.78x = 579,576,157.17
  5. Step 5: Solve for x
    x = 579,576,157.17/27,310.78
  6. Step 6: Final answer
    x = 21,221.52

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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.