Home / 27,845.72-38,424.96-15,270.44

Finding the Fourth Proportional to 27,845.72, 38,424.96 and 15,270.44

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Solution

The fourth proportional to 27,845.72, 38,424.96 and 15,270.44 is: 21,072.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,845.72 : 38,424.96 = 15,270.44 : x
  2. Step 2: Convert to fraction form
    27,845.72/38,424.96 = 15,270.44/x
  3. Step 3: Cross multiply
    27,845.72x = 38,424.96 × 15,270.44
  4. Step 4: Simplify right side
    27,845.72x = 586,766,046.18
  5. Step 5: Solve for x
    x = 586,766,046.18/27,845.72
  6. Step 6: Final answer
    x = 21,072.04

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1.5x scale

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.