Home / 29,272.70-40,396.28-15,843.95

Finding the Fourth Proportional to 29,272.70, 40,396.28 and 15,843.95

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Solution

The fourth proportional to 29,272.70, 40,396.28 and 15,843.95 is: 21,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.70 : 40,396.28 = 15,843.95 : x
  2. Step 2: Convert to fraction form
    29,272.70/40,396.28 = 15,843.95/x
  3. Step 3: Cross multiply
    29,272.70x = 40,396.28 × 15,843.95
  4. Step 4: Simplify right side
    29,272.70x = 640,036,640.51
  5. Step 5: Solve for x
    x = 640,036,640.51/29,272.70
  6. Step 6: Final answer
    x = 21,864.63

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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.