Home / 27,815.33-41,728.37-9,090.33

Finding the Fourth Proportional to 27,815.33, 41,728.37 and 9,090.33

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Solution

The fourth proportional to 27,815.33, 41,728.37 and 9,090.33 is: 13,637.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.33 : 41,728.37 = 9,090.33 : x
  2. Step 2: Convert to fraction form
    27,815.33/41,728.37 = 9,090.33/x
  3. Step 3: Cross multiply
    27,815.33x = 41,728.37 × 9,090.33
  4. Step 4: Simplify right side
    27,815.33x = 379,324,608.21
  5. Step 5: Solve for x
    x = 379,324,608.21/27,815.33
  6. Step 6: Final answer
    x = 13,637.25

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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.