Home / 21,992.43-32,988.68-5,352.35

Finding the Fourth Proportional to 21,992.43, 32,988.68 and 5,352.35

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Solution

The fourth proportional to 21,992.43, 32,988.68 and 5,352.35 is: 8,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.43 : 32,988.68 = 5,352.35 : x
  2. Step 2: Convert to fraction form
    21,992.43/32,988.68 = 5,352.35/x
  3. Step 3: Cross multiply
    21,992.43x = 32,988.68 × 5,352.35
  4. Step 4: Simplify right side
    21,992.43x = 176,566,769.69
  5. Step 5: Solve for x
    x = 176,566,769.69/21,992.43
  6. Step 6: Final answer
    x = 8,028.52

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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.