Home / 20,005.62-27,608.33-11,053.71

Finding the Fourth Proportional to 20,005.62, 27,608.33 and 11,053.71

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Solution

The fourth proportional to 20,005.62, 27,608.33 and 11,053.71 is: 15,254.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005.62 : 27,608.33 = 11,053.71 : x
  2. Step 2: Convert to fraction form
    20,005.62/27,608.33 = 11,053.71/x
  3. Step 3: Cross multiply
    20,005.62x = 27,608.33 × 11,053.71
  4. Step 4: Simplify right side
    20,005.62x = 305,174,418.14
  5. Step 5: Solve for x
    x = 305,174,418.14/20,005.62
  6. Step 6: Final answer
    x = 15,254.43

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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.