Home / 21,836.28-32,761.34-7,795.99

Finding the Fourth Proportional to 21,836.28, 32,761.34 and 7,795.99

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Solution

The fourth proportional to 21,836.28, 32,761.34 and 7,795.99 is: 11,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.28 : 32,761.34 = 7,795.99 : x
  2. Step 2: Convert to fraction form
    21,836.28/32,761.34 = 7,795.99/x
  3. Step 3: Cross multiply
    21,836.28x = 32,761.34 × 7,795.99
  4. Step 4: Simplify right side
    21,836.28x = 255,407,079.03
  5. Step 5: Solve for x
    x = 255,407,079.03/21,836.28
  6. Step 6: Final answer
    x = 11,696.46

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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.