Home / 21,901.88-32,852.79-8,757.33

Finding the Fourth Proportional to 21,901.88, 32,852.79 and 8,757.33

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Solution

The fourth proportional to 21,901.88, 32,852.79 and 8,757.33 is: 13,135.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,901.88 : 32,852.79 = 8,757.33 : x
  2. Step 2: Convert to fraction form
    21,901.88/32,852.79 = 8,757.33/x
  3. Step 3: Cross multiply
    21,901.88x = 32,852.79 × 8,757.33
  4. Step 4: Simplify right side
    21,901.88x = 287,702,723.45
  5. Step 5: Solve for x
    x = 287,702,723.45/21,901.88
  6. Step 6: Final answer
    x = 13,135.99

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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.