Home / 21,895.97-32,854.68-13,573.78

Finding the Fourth Proportional to 21,895.97, 32,854.68 and 13,573.78

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Solution

The fourth proportional to 21,895.97, 32,854.68 and 13,573.78 is: 20,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,895.97 : 32,854.68 = 13,573.78 : x
  2. Step 2: Convert to fraction form
    21,895.97/32,854.68 = 13,573.78/x
  3. Step 3: Cross multiply
    21,895.97x = 32,854.68 × 13,573.78
  4. Step 4: Simplify right side
    21,895.97x = 445,962,116.15
  5. Step 5: Solve for x
    x = 445,962,116.15/21,895.97
  6. Step 6: Final answer
    x = 20,367.32

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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.