Home / 29,272.59-40,396.32-15,843.87

Finding the Fourth Proportional to 29,272.59, 40,396.32 and 15,843.87

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Solution

The fourth proportional to 29,272.59, 40,396.32 and 15,843.87 is: 21,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.59 : 40,396.32 = 15,843.87 : x
  2. Step 2: Convert to fraction form
    29,272.59/40,396.32 = 15,843.87/x
  3. Step 3: Cross multiply
    29,272.59x = 40,396.32 × 15,843.87
  4. Step 4: Simplify right side
    29,272.59x = 640,034,042.56
  5. Step 5: Solve for x
    x = 640,034,042.56/29,272.59
  6. Step 6: Final answer
    x = 21,864.62

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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.