Home / 29,727.42-41,028-18,400.52

Finding the Fourth Proportional to 29,727.42, 41,028 and 18,400.52

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Solution

The fourth proportional to 29,727.42, 41,028 and 18,400.52 is: 25,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,727.42 : 41,028 = 18,400.52 : x
  2. Step 2: Convert to fraction form
    29,727.42/41,028 = 18,400.52/x
  3. Step 3: Cross multiply
    29,727.42x = 41,028 × 18,400.52
  4. Step 4: Simplify right side
    29,727.42x = 754,936,534.56
  5. Step 5: Solve for x
    x = 754,936,534.56/29,727.42
  6. Step 6: Final answer
    x = 25,395.29

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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.