Home / 23,991.72-33,091.43-20,799.31

Finding the Fourth Proportional to 23,991.72, 33,091.43 and 20,799.31

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Solution

The fourth proportional to 23,991.72, 33,091.43 and 20,799.31 is: 28,688.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.72 : 33,091.43 = 20,799.31 : x
  2. Step 2: Convert to fraction form
    23,991.72/33,091.43 = 20,799.31/x
  3. Step 3: Cross multiply
    23,991.72x = 33,091.43 × 20,799.31
  4. Step 4: Simplify right side
    23,991.72x = 688,278,745.46
  5. Step 5: Solve for x
    x = 688,278,745.46/23,991.72
  6. Step 6: Final answer
    x = 28,688.18

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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.