Home / 21,804.16-32,724.92-8,665.75

Finding the Fourth Proportional to 21,804.16, 32,724.92 and 8,665.75

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Solution

The fourth proportional to 21,804.16, 32,724.92 and 8,665.75 is: 13,006.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,804.16 : 32,724.92 = 8,665.75 : x
  2. Step 2: Convert to fraction form
    21,804.16/32,724.92 = 8,665.75/x
  3. Step 3: Cross multiply
    21,804.16x = 32,724.92 × 8,665.75
  4. Step 4: Simplify right side
    21,804.16x = 283,585,975.49
  5. Step 5: Solve for x
    x = 283,585,975.49/21,804.16
  6. Step 6: Final answer
    x = 13,006.05

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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.