Home / 27,984.78-41,981.72-8,265.33

Finding the Fourth Proportional to 27,984.78, 41,981.72 and 8,265.33

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Solution

The fourth proportional to 27,984.78, 41,981.72 and 8,265.33 is: 12,399.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.78 : 41,981.72 = 8,265.33 : x
  2. Step 2: Convert to fraction form
    27,984.78/41,981.72 = 8,265.33/x
  3. Step 3: Cross multiply
    27,984.78x = 41,981.72 × 8,265.33
  4. Step 4: Simplify right side
    27,984.78x = 346,992,728.44
  5. Step 5: Solve for x
    x = 346,992,728.44/27,984.78
  6. Step 6: Final answer
    x = 12,399.34

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1.5x scale

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.