Home / 21,403.23-32,110.31-8,252.07

Finding the Fourth Proportional to 21,403.23, 32,110.31 and 8,252.07

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Solution

The fourth proportional to 21,403.23, 32,110.31 and 8,252.07 is: 12,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,403.23 : 32,110.31 = 8,252.07 : x
  2. Step 2: Convert to fraction form
    21,403.23/32,110.31 = 8,252.07/x
  3. Step 3: Cross multiply
    21,403.23x = 32,110.31 × 8,252.07
  4. Step 4: Simplify right side
    21,403.23x = 264,976,525.84
  5. Step 5: Solve for x
    x = 264,976,525.84/21,403.23
  6. Step 6: Final answer
    x = 12,380.21

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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.