Home / 21,340.17-32,010.84-5,757.75

Finding the Fourth Proportional to 21,340.17, 32,010.84 and 5,757.75

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Solution

The fourth proportional to 21,340.17, 32,010.84 and 5,757.75 is: 8,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,340.17 : 32,010.84 = 5,757.75 : x
  2. Step 2: Convert to fraction form
    21,340.17/32,010.84 = 5,757.75/x
  3. Step 3: Cross multiply
    21,340.17x = 32,010.84 × 5,757.75
  4. Step 4: Simplify right side
    21,340.17x = 184,310,414.01
  5. Step 5: Solve for x
    x = 184,310,414.01/21,340.17
  6. Step 6: Final answer
    x = 8,636.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.