Home / 27,380.79-41,136.79-17,539.29

Finding the Fourth Proportional to 27,380.79, 41,136.79 and 17,539.29

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Solution

The fourth proportional to 27,380.79, 41,136.79 and 17,539.29 is: 26,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,380.79 : 41,136.79 = 17,539.29 : x
  2. Step 2: Convert to fraction form
    27,380.79/41,136.79 = 17,539.29/x
  3. Step 3: Cross multiply
    27,380.79x = 41,136.79 × 17,539.29
  4. Step 4: Simplify right side
    27,380.79x = 721,509,796.10
  5. Step 5: Solve for x
    x = 721,509,796.10/27,380.79
  6. Step 6: Final answer
    x = 26,350.95

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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.