Home / 22,479.44-30,997.32-15,314

Finding the Fourth Proportional to 22,479.44, 30,997.32 and 15,314

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Solution

The fourth proportional to 22,479.44, 30,997.32 and 15,314 is: 21,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.44 : 30,997.32 = 15,314 : x
  2. Step 2: Convert to fraction form
    22,479.44/30,997.32 = 15,314/x
  3. Step 3: Cross multiply
    22,479.44x = 30,997.32 × 15,314
  4. Step 4: Simplify right side
    22,479.44x = 474,692,958.48
  5. Step 5: Solve for x
    x = 474,692,958.48/22,479.44
  6. Step 6: Final answer
    x = 21,116.76

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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.