Home / 25,940.17-38,904.03-11,891.43

Finding the Fourth Proportional to 25,940.17, 38,904.03 and 11,891.43

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Solution

The fourth proportional to 25,940.17, 38,904.03 and 11,891.43 is: 17,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,940.17 : 38,904.03 = 11,891.43 : x
  2. Step 2: Convert to fraction form
    25,940.17/38,904.03 = 11,891.43/x
  3. Step 3: Cross multiply
    25,940.17x = 38,904.03 × 11,891.43
  4. Step 4: Simplify right side
    25,940.17x = 462,624,549.46
  5. Step 5: Solve for x
    x = 462,624,549.46/25,940.17
  6. Step 6: Final answer
    x = 17,834.29

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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.