Home / 21,581.53-32,361.26-9,884.72

Finding the Fourth Proportional to 21,581.53, 32,361.26 and 9,884.72

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Solution

The fourth proportional to 21,581.53, 32,361.26 and 9,884.72 is: 14,822.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.53 : 32,361.26 = 9,884.72 : x
  2. Step 2: Convert to fraction form
    21,581.53/32,361.26 = 9,884.72/x
  3. Step 3: Cross multiply
    21,581.53x = 32,361.26 × 9,884.72
  4. Step 4: Simplify right side
    21,581.53x = 319,882,025.43
  5. Step 5: Solve for x
    x = 319,882,025.43/21,581.53
  6. Step 6: Final answer
    x = 14,822.03

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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.