Home / 21,788.97-32,679.16-5,989.93

Finding the Fourth Proportional to 21,788.97, 32,679.16 and 5,989.93

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Solution

The fourth proportional to 21,788.97, 32,679.16 and 5,989.93 is: 8,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,788.97 : 32,679.16 = 5,989.93 : x
  2. Step 2: Convert to fraction form
    21,788.97/32,679.16 = 5,989.93/x
  3. Step 3: Cross multiply
    21,788.97x = 32,679.16 × 5,989.93
  4. Step 4: Simplify right side
    21,788.97x = 195,745,784.19
  5. Step 5: Solve for x
    x = 195,745,784.19/21,788.97
  6. Step 6: Final answer
    x = 8,983.71

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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.