Home / 22,310.94-33,421.79-13,421.37

Finding the Fourth Proportional to 22,310.94, 33,421.79 and 13,421.37

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Solution

The fourth proportional to 22,310.94, 33,421.79 and 13,421.37 is: 20,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.94 : 33,421.79 = 13,421.37 : x
  2. Step 2: Convert to fraction form
    22,310.94/33,421.79 = 13,421.37/x
  3. Step 3: Cross multiply
    22,310.94x = 33,421.79 × 13,421.37
  4. Step 4: Simplify right side
    22,310.94x = 448,566,209.65
  5. Step 5: Solve for x
    x = 448,566,209.65/22,310.94
  6. Step 6: Final answer
    x = 20,105.21

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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.