Home / 20,029.25-27,640.79-11,077.37

Finding the Fourth Proportional to 20,029.25, 27,640.79 and 11,077.37

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Solution

The fourth proportional to 20,029.25, 27,640.79 and 11,077.37 is: 15,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.25 : 27,640.79 = 11,077.37 : x
  2. Step 2: Convert to fraction form
    20,029.25/27,640.79 = 11,077.37/x
  3. Step 3: Cross multiply
    20,029.25x = 27,640.79 × 11,077.37
  4. Step 4: Simplify right side
    20,029.25x = 306,187,064.33
  5. Step 5: Solve for x
    x = 306,187,064.33/20,029.25
  6. Step 6: Final answer
    x = 15,287.00

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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.