Home / 21,755.84-32,634.26-12,328.52

Finding the Fourth Proportional to 21,755.84, 32,634.26 and 12,328.52

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Solution

The fourth proportional to 21,755.84, 32,634.26 and 12,328.52 is: 18,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,755.84 : 32,634.26 = 12,328.52 : x
  2. Step 2: Convert to fraction form
    21,755.84/32,634.26 = 12,328.52/x
  3. Step 3: Cross multiply
    21,755.84x = 32,634.26 × 12,328.52
  4. Step 4: Simplify right side
    21,755.84x = 402,332,127.10
  5. Step 5: Solve for x
    x = 402,332,127.10/21,755.84
  6. Step 6: Final answer
    x = 18,493.06

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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.