Home / 21,707.33-32,562.26-8,380.39

Finding the Fourth Proportional to 21,707.33, 32,562.26 and 8,380.39

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Solution

The fourth proportional to 21,707.33, 32,562.26 and 8,380.39 is: 12,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.33 : 32,562.26 = 8,380.39 : x
  2. Step 2: Convert to fraction form
    21,707.33/32,562.26 = 8,380.39/x
  3. Step 3: Cross multiply
    21,707.33x = 32,562.26 × 8,380.39
  4. Step 4: Simplify right side
    21,707.33x = 272,884,468.31
  5. Step 5: Solve for x
    x = 272,884,468.31/21,707.33
  6. Step 6: Final answer
    x = 12,571.07

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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.