Home / 20,224.13-27,911.27-15,110.77

Finding the Fourth Proportional to 20,224.13, 27,911.27 and 15,110.77

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Solution

The fourth proportional to 20,224.13, 27,911.27 and 15,110.77 is: 20,854.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.13 : 27,911.27 = 15,110.77 : x
  2. Step 2: Convert to fraction form
    20,224.13/27,911.27 = 15,110.77/x
  3. Step 3: Cross multiply
    20,224.13x = 27,911.27 × 15,110.77
  4. Step 4: Simplify right side
    20,224.13x = 421,760,745.04
  5. Step 5: Solve for x
    x = 421,760,745.04/20,224.13
  6. Step 6: Final answer
    x = 20,854.34

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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.