Home / 20,270.52-27,947.97-15,496.38

Finding the Fourth Proportional to 20,270.52, 27,947.97 and 15,496.38

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Solution

The fourth proportional to 20,270.52, 27,947.97 and 15,496.38 is: 21,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.52 : 27,947.97 = 15,496.38 : x
  2. Step 2: Convert to fraction form
    20,270.52/27,947.97 = 15,496.38/x
  3. Step 3: Cross multiply
    20,270.52x = 27,947.97 × 15,496.38
  4. Step 4: Simplify right side
    20,270.52x = 433,092,363.35
  5. Step 5: Solve for x
    x = 433,092,363.35/20,270.52
  6. Step 6: Final answer
    x = 21,365.63

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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.