Home / 27,784.29-41,658.66-11,999.61

Finding the Fourth Proportional to 27,784.29, 41,658.66 and 11,999.61

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Solution

The fourth proportional to 27,784.29, 41,658.66 and 11,999.61 is: 17,991.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,784.29 : 41,658.66 = 11,999.61 : x
  2. Step 2: Convert to fraction form
    27,784.29/41,658.66 = 11,999.61/x
  3. Step 3: Cross multiply
    27,784.29x = 41,658.66 × 11,999.61
  4. Step 4: Simplify right side
    27,784.29x = 499,887,673.12
  5. Step 5: Solve for x
    x = 499,887,673.12/27,784.29
  6. Step 6: Final answer
    x = 17,991.74

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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.