Home / 21,811.68-32,717.16-5,395.68

Finding the Fourth Proportional to 21,811.68, 32,717.16 and 5,395.68

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Solution

The fourth proportional to 21,811.68, 32,717.16 and 5,395.68 is: 8,093.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,811.68 : 32,717.16 = 5,395.68 : x
  2. Step 2: Convert to fraction form
    21,811.68/32,717.16 = 5,395.68/x
  3. Step 3: Cross multiply
    21,811.68x = 32,717.16 × 5,395.68
  4. Step 4: Simplify right side
    21,811.68x = 176,531,325.87
  5. Step 5: Solve for x
    x = 176,531,325.87/21,811.68
  6. Step 6: Final answer
    x = 8,093.43

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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.