Home / 28,821.94-43,209.43-19,344.03

Finding the Fourth Proportional to 28,821.94, 43,209.43 and 19,344.03

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Solution

The fourth proportional to 28,821.94, 43,209.43 and 19,344.03 is: 29,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,821.94 : 43,209.43 = 19,344.03 : x
  2. Step 2: Convert to fraction form
    28,821.94/43,209.43 = 19,344.03/x
  3. Step 3: Cross multiply
    28,821.94x = 43,209.43 × 19,344.03
  4. Step 4: Simplify right side
    28,821.94x = 835,844,510.20
  5. Step 5: Solve for x
    x = 835,844,510.20/28,821.94
  6. Step 6: Final answer
    x = 29,000.29

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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.