Home / 22,920.57-34,420.49-13,619.03

Finding the Fourth Proportional to 22,920.57, 34,420.49 and 13,619.03

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Solution

The fourth proportional to 22,920.57, 34,420.49 and 13,619.03 is: 20,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.57 : 34,420.49 = 13,619.03 : x
  2. Step 2: Convert to fraction form
    22,920.57/34,420.49 = 13,619.03/x
  3. Step 3: Cross multiply
    22,920.57x = 34,420.49 × 13,619.03
  4. Step 4: Simplify right side
    22,920.57x = 468,773,617.83
  5. Step 5: Solve for x
    x = 468,773,617.83/22,920.57
  6. Step 6: Final answer
    x = 20,452.10

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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.