Home / 21,684.42-32,531.40-7,833.42

Finding the Fourth Proportional to 21,684.42, 32,531.40 and 7,833.42

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Solution

The fourth proportional to 21,684.42, 32,531.40 and 7,833.42 is: 11,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.42 : 32,531.40 = 7,833.42 : x
  2. Step 2: Convert to fraction form
    21,684.42/32,531.40 = 7,833.42/x
  3. Step 3: Cross multiply
    21,684.42x = 32,531.40 × 7,833.42
  4. Step 4: Simplify right side
    21,684.42x = 254,832,119.39
  5. Step 5: Solve for x
    x = 254,832,119.39/21,684.42
  6. Step 6: Final answer
    x = 11,751.85

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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.