Home / 22,403.61-30,850.24-21,906.36

Finding the Fourth Proportional to 22,403.61, 30,850.24 and 21,906.36

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Solution

The fourth proportional to 22,403.61, 30,850.24 and 21,906.36 is: 30,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,403.61 : 30,850.24 = 21,906.36 : x
  2. Step 2: Convert to fraction form
    22,403.61/30,850.24 = 21,906.36/x
  3. Step 3: Cross multiply
    22,403.61x = 30,850.24 × 21,906.36
  4. Step 4: Simplify right side
    22,403.61x = 675,816,463.53
  5. Step 5: Solve for x
    x = 675,816,463.53/22,403.61
  6. Step 6: Final answer
    x = 30,165.52

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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.