Home / 21,821.84-32,734.87-8,671.26

Finding the Fourth Proportional to 21,821.84, 32,734.87 and 8,671.26

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Solution

The fourth proportional to 21,821.84, 32,734.87 and 8,671.26 is: 13,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,821.84 : 32,734.87 = 8,671.26 : x
  2. Step 2: Convert to fraction form
    21,821.84/32,734.87 = 8,671.26/x
  3. Step 3: Cross multiply
    21,821.84x = 32,734.87 × 8,671.26
  4. Step 4: Simplify right side
    21,821.84x = 283,852,525.48
  5. Step 5: Solve for x
    x = 283,852,525.48/21,821.84
  6. Step 6: Final answer
    x = 13,007.73

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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.