Home / 17,865.84-26,791.56-5,382

Finding the Fourth Proportional to 17,865.84, 26,791.56 and 5,382

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Solution

The fourth proportional to 17,865.84, 26,791.56 and 5,382 is: 8,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,865.84 : 26,791.56 = 5,382 : x
  2. Step 2: Convert to fraction form
    17,865.84/26,791.56 = 5,382/x
  3. Step 3: Cross multiply
    17,865.84x = 26,791.56 × 5,382
  4. Step 4: Simplify right side
    17,865.84x = 144,192,175.92
  5. Step 5: Solve for x
    x = 144,192,175.92/17,865.84
  6. Step 6: Final answer
    x = 8,070.83

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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.