Home / 22,958.69-34,390.64-21,297.78

Finding the Fourth Proportional to 22,958.69, 34,390.64 and 21,297.78

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Solution

The fourth proportional to 22,958.69, 34,390.64 and 21,297.78 is: 31,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,958.69 : 34,390.64 = 21,297.78 : x
  2. Step 2: Convert to fraction form
    22,958.69/34,390.64 = 21,297.78/x
  3. Step 3: Cross multiply
    22,958.69x = 34,390.64 × 21,297.78
  4. Step 4: Simplify right side
    22,958.69x = 732,444,338.02
  5. Step 5: Solve for x
    x = 732,444,338.02/22,958.69
  6. Step 6: Final answer
    x = 31,902.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.