Home / 21,972.36-32,960.07-8,824.73

Finding the Fourth Proportional to 21,972.36, 32,960.07 and 8,824.73

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Solution

The fourth proportional to 21,972.36, 32,960.07 and 8,824.73 is: 13,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.36 : 32,960.07 = 8,824.73 : x
  2. Step 2: Convert to fraction form
    21,972.36/32,960.07 = 8,824.73/x
  3. Step 3: Cross multiply
    21,972.36x = 32,960.07 × 8,824.73
  4. Step 4: Simplify right side
    21,972.36x = 290,863,718.53
  5. Step 5: Solve for x
    x = 290,863,718.53/21,972.36
  6. Step 6: Final answer
    x = 13,237.71

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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.