Home / 22,906.80-31,605.86-15,350.37

Finding the Fourth Proportional to 22,906.80, 31,605.86 and 15,350.37

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Solution

The fourth proportional to 22,906.80, 31,605.86 and 15,350.37 is: 21,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,906.80 : 31,605.86 = 15,350.37 : x
  2. Step 2: Convert to fraction form
    22,906.80/31,605.86 = 15,350.37/x
  3. Step 3: Cross multiply
    22,906.80x = 31,605.86 × 15,350.37
  4. Step 4: Simplify right side
    22,906.80x = 485,161,568.42
  5. Step 5: Solve for x
    x = 485,161,568.42/22,906.80
  6. Step 6: Final answer
    x = 21,179.81

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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.