Home / 21,817.54-32,724.47-8,666.38

Finding the Fourth Proportional to 21,817.54, 32,724.47 and 8,666.38

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Solution

The fourth proportional to 21,817.54, 32,724.47 and 8,666.38 is: 12,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,817.54 : 32,724.47 = 8,666.38 : x
  2. Step 2: Convert to fraction form
    21,817.54/32,724.47 = 8,666.38/x
  3. Step 3: Cross multiply
    21,817.54x = 32,724.47 × 8,666.38
  4. Step 4: Simplify right side
    21,817.54x = 283,602,528.70
  5. Step 5: Solve for x
    x = 283,602,528.70/21,817.54
  6. Step 6: Final answer
    x = 12,998.83

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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.