Home / 21,568.67-32,361.52-14,171.75

Finding the Fourth Proportional to 21,568.67, 32,361.52 and 14,171.75

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Solution

The fourth proportional to 21,568.67, 32,361.52 and 14,171.75 is: 21,263.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,568.67 : 32,361.52 = 14,171.75 : x
  2. Step 2: Convert to fraction form
    21,568.67/32,361.52 = 14,171.75/x
  3. Step 3: Cross multiply
    21,568.67x = 32,361.52 × 14,171.75
  4. Step 4: Simplify right side
    21,568.67x = 458,619,371.06
  5. Step 5: Solve for x
    x = 458,619,371.06/21,568.67
  6. Step 6: Final answer
    x = 21,263.22

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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.