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Finding the Fourth Proportional to 60,338.44, 90,512.25 and 15,964.03

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Solution

The fourth proportional to 60,338.44, 90,512.25 and 15,964.03 is: 23,947.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,338.44 : 90,512.25 = 15,964.03 : x
  2. Step 2: Convert to fraction form
    60,338.44/90,512.25 = 15,964.03/x
  3. Step 3: Cross multiply
    60,338.44x = 90,512.25 × 15,964.03
  4. Step 4: Simplify right side
    60,338.44x = 1,444,940,274.37
  5. Step 5: Solve for x
    x = 1,444,940,274.37/60,338.44
  6. Step 6: Final answer
    x = 23,947.26

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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.