Home / 27,316.77-40,991.09-11,520.83

Finding the Fourth Proportional to 27,316.77, 40,991.09 and 11,520.83

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Solution

The fourth proportional to 27,316.77, 40,991.09 and 11,520.83 is: 17,287.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.77 : 40,991.09 = 11,520.83 : x
  2. Step 2: Convert to fraction form
    27,316.77/40,991.09 = 11,520.83/x
  3. Step 3: Cross multiply
    27,316.77x = 40,991.09 × 11,520.83
  4. Step 4: Simplify right side
    27,316.77x = 472,251,116.85
  5. Step 5: Solve for x
    x = 472,251,116.85/27,316.77
  6. Step 6: Final answer
    x = 17,287.96

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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.