Home / 20,003.50-27,604.83-11,620.54

Finding the Fourth Proportional to 20,003.50, 27,604.83 and 11,620.54

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Solution

The fourth proportional to 20,003.50, 27,604.83 and 11,620.54 is: 16,036.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.50 : 27,604.83 = 11,620.54 : x
  2. Step 2: Convert to fraction form
    20,003.50/27,604.83 = 11,620.54/x
  3. Step 3: Cross multiply
    20,003.50x = 27,604.83 × 11,620.54
  4. Step 4: Simplify right side
    20,003.50x = 320,783,031.21
  5. Step 5: Solve for x
    x = 320,783,031.21/20,003.50
  6. Step 6: Final answer
    x = 16,036.35

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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.