Home / 17,881.17-26,824.23-5,399.78

Finding the Fourth Proportional to 17,881.17, 26,824.23 and 5,399.78

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Solution

The fourth proportional to 17,881.17, 26,824.23 and 5,399.78 is: 8,100.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.17 : 26,824.23 = 5,399.78 : x
  2. Step 2: Convert to fraction form
    17,881.17/26,824.23 = 5,399.78/x
  3. Step 3: Cross multiply
    17,881.17x = 26,824.23 × 5,399.78
  4. Step 4: Simplify right side
    17,881.17x = 144,844,806.55
  5. Step 5: Solve for x
    x = 144,844,806.55/17,881.17
  6. Step 6: Final answer
    x = 8,100.41

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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.