Home / 21,551.32-32,326.95-6,761.39

Finding the Fourth Proportional to 21,551.32, 32,326.95 and 6,761.39

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Solution

The fourth proportional to 21,551.32, 32,326.95 and 6,761.39 is: 10,142.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.32 : 32,326.95 = 6,761.39 : x
  2. Step 2: Convert to fraction form
    21,551.32/32,326.95 = 6,761.39/x
  3. Step 3: Cross multiply
    21,551.32x = 32,326.95 × 6,761.39
  4. Step 4: Simplify right side
    21,551.32x = 218,575,234.96
  5. Step 5: Solve for x
    x = 218,575,234.96/21,551.32
  6. Step 6: Final answer
    x = 10,142.08

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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.