Home / 20,009.33-27,610.47-11,055.61

Finding the Fourth Proportional to 20,009.33, 27,610.47 and 11,055.61

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Solution

The fourth proportional to 20,009.33, 27,610.47 and 11,055.61 is: 15,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.33 : 27,610.47 = 11,055.61 : x
  2. Step 2: Convert to fraction form
    20,009.33/27,610.47 = 11,055.61/x
  3. Step 3: Cross multiply
    20,009.33x = 27,610.47 × 11,055.61
  4. Step 4: Simplify right side
    20,009.33x = 305,250,467.44
  5. Step 5: Solve for x
    x = 305,250,467.44/20,009.33
  6. Step 6: Final answer
    x = 15,255.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.