Home / 20,007.88-27,610.76-11,055.38

Finding the Fourth Proportional to 20,007.88, 27,610.76 and 11,055.38

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Solution

The fourth proportional to 20,007.88, 27,610.76 and 11,055.38 is: 15,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,007.88 : 27,610.76 = 11,055.38 : x
  2. Step 2: Convert to fraction form
    20,007.88/27,610.76 = 11,055.38/x
  3. Step 3: Cross multiply
    20,007.88x = 27,610.76 × 11,055.38
  4. Step 4: Simplify right side
    20,007.88x = 305,247,388.61
  5. Step 5: Solve for x
    x = 305,247,388.61/20,007.88
  6. Step 6: Final answer
    x = 15,256.36

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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.