Home / 21,880.25-32,796.80-10,611.73

Finding the Fourth Proportional to 21,880.25, 32,796.80 and 10,611.73

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Solution

The fourth proportional to 21,880.25, 32,796.80 and 10,611.73 is: 15,906.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880.25 : 32,796.80 = 10,611.73 : x
  2. Step 2: Convert to fraction form
    21,880.25/32,796.80 = 10,611.73/x
  3. Step 3: Cross multiply
    21,880.25x = 32,796.80 × 10,611.73
  4. Step 4: Simplify right side
    21,880.25x = 348,030,906.44
  5. Step 5: Solve for x
    x = 348,030,906.44/21,880.25
  6. Step 6: Final answer
    x = 15,906.17

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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.