Home / 21,750.22-32,630.51-7,711.47

Finding the Fourth Proportional to 21,750.22, 32,630.51 and 7,711.47

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Solution

The fourth proportional to 21,750.22, 32,630.51 and 7,711.47 is: 11,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.22 : 32,630.51 = 7,711.47 : x
  2. Step 2: Convert to fraction form
    21,750.22/32,630.51 = 7,711.47/x
  3. Step 3: Cross multiply
    21,750.22x = 32,630.51 × 7,711.47
  4. Step 4: Simplify right side
    21,750.22x = 251,629,198.95
  5. Step 5: Solve for x
    x = 251,629,198.95/21,750.22
  6. Step 6: Final answer
    x = 11,569.04

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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.