Home / 29,272.23-40,395.72-15,843.49

Finding the Fourth Proportional to 29,272.23, 40,395.72 and 15,843.49

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Solution

The fourth proportional to 29,272.23, 40,395.72 and 15,843.49 is: 21,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.23 : 40,395.72 = 15,843.49 : x
  2. Step 2: Convert to fraction form
    29,272.23/40,395.72 = 15,843.49/x
  3. Step 3: Cross multiply
    29,272.23x = 40,395.72 × 15,843.49
  4. Step 4: Simplify right side
    29,272.23x = 640,009,185.86
  5. Step 5: Solve for x
    x = 640,009,185.86/29,272.23
  6. Step 6: Final answer
    x = 21,864.04

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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.