Home / 21,961.86-32,942.84-10,283.28

Finding the Fourth Proportional to 21,961.86, 32,942.84 and 10,283.28

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Solution

The fourth proportional to 21,961.86, 32,942.84 and 10,283.28 is: 15,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,961.86 : 32,942.84 = 10,283.28 : x
  2. Step 2: Convert to fraction form
    21,961.86/32,942.84 = 10,283.28/x
  3. Step 3: Cross multiply
    21,961.86x = 32,942.84 × 10,283.28
  4. Step 4: Simplify right side
    21,961.86x = 338,760,396.30
  5. Step 5: Solve for x
    x = 338,760,396.30/21,961.86
  6. Step 6: Final answer
    x = 15,424.94

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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.