Home / 27,981.70-41,966.39-9,257.30

Finding the Fourth Proportional to 27,981.70, 41,966.39 and 9,257.30

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Solution

The fourth proportional to 27,981.70, 41,966.39 and 9,257.30 is: 13,883.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.70 : 41,966.39 = 9,257.30 : x
  2. Step 2: Convert to fraction form
    27,981.70/41,966.39 = 9,257.30/x
  3. Step 3: Cross multiply
    27,981.70x = 41,966.39 × 9,257.30
  4. Step 4: Simplify right side
    27,981.70x = 388,495,462.15
  5. Step 5: Solve for x
    x = 388,495,462.15/27,981.70
  6. Step 6: Final answer
    x = 13,883.91

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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.