Home / 27,110.44-40,591.82-21,085.60

Finding the Fourth Proportional to 27,110.44, 40,591.82 and 21,085.60

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Solution

The fourth proportional to 27,110.44, 40,591.82 and 21,085.60 is: 31,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.44 : 40,591.82 = 21,085.60 : x
  2. Step 2: Convert to fraction form
    27,110.44/40,591.82 = 21,085.60/x
  3. Step 3: Cross multiply
    27,110.44x = 40,591.82 × 21,085.60
  4. Step 4: Simplify right side
    27,110.44x = 855,902,879.79
  5. Step 5: Solve for x
    x = 855,902,879.79/27,110.44
  6. Step 6: Final answer
    x = 31,570.97

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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.