Home / 21,794.87-30,091.37-16,749.79

Finding the Fourth Proportional to 21,794.87, 30,091.37 and 16,749.79

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Solution

The fourth proportional to 21,794.87, 30,091.37 and 16,749.79 is: 23,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,794.87 : 30,091.37 = 16,749.79 : x
  2. Step 2: Convert to fraction form
    21,794.87/30,091.37 = 16,749.79/x
  3. Step 3: Cross multiply
    21,794.87x = 30,091.37 × 16,749.79
  4. Step 4: Simplify right side
    21,794.87x = 504,023,969.33
  5. Step 5: Solve for x
    x = 504,023,969.33/21,794.87
  6. Step 6: Final answer
    x = 23,125.80

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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.