Home / 25,825.28-38,704-11,943.68

Finding the Fourth Proportional to 25,825.28, 38,704 and 11,943.68

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Solution

The fourth proportional to 25,825.28, 38,704 and 11,943.68 is: 17,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,825.28 : 38,704 = 11,943.68 : x
  2. Step 2: Convert to fraction form
    25,825.28/38,704 = 11,943.68/x
  3. Step 3: Cross multiply
    25,825.28x = 38,704 × 11,943.68
  4. Step 4: Simplify right side
    25,825.28x = 462,268,190.72
  5. Step 5: Solve for x
    x = 462,268,190.72/25,825.28
  6. Step 6: Final answer
    x = 17,899.83

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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.