Home / 29,272.16-40,395.63-15,843.53

Finding the Fourth Proportional to 29,272.16, 40,395.63 and 15,843.53

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Solution

The fourth proportional to 29,272.16, 40,395.63 and 15,843.53 is: 21,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,272.16 : 40,395.63 = 15,843.53 : x
  2. Step 2: Convert to fraction form
    29,272.16/40,395.63 = 15,843.53/x
  3. Step 3: Cross multiply
    29,272.16x = 40,395.63 × 15,843.53
  4. Step 4: Simplify right side
    29,272.16x = 640,009,173.80
  5. Step 5: Solve for x
    x = 640,009,173.80/29,272.16
  6. Step 6: Final answer
    x = 21,864.09

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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.