Home / 27,967.80-41,919.30-11,319.60

Finding the Fourth Proportional to 27,967.80, 41,919.30 and 11,319.60

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Solution

The fourth proportional to 27,967.80, 41,919.30 and 11,319.60 is: 16,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,967.80 : 41,919.30 = 11,319.60 : x
  2. Step 2: Convert to fraction form
    27,967.80/41,919.30 = 11,319.60/x
  3. Step 3: Cross multiply
    27,967.80x = 41,919.30 × 11,319.60
  4. Step 4: Simplify right side
    27,967.80x = 474,509,708.28
  5. Step 5: Solve for x
    x = 474,509,708.28/27,967.80
  6. Step 6: Final answer
    x = 16,966.29

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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.