Home / 21,716.77-32,579.93-12,361.19

Finding the Fourth Proportional to 21,716.77, 32,579.93 and 12,361.19

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Solution

The fourth proportional to 21,716.77, 32,579.93 and 12,361.19 is: 18,544.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.77 : 32,579.93 = 12,361.19 : x
  2. Step 2: Convert to fraction form
    21,716.77/32,579.93 = 12,361.19/x
  3. Step 3: Cross multiply
    21,716.77x = 32,579.93 × 12,361.19
  4. Step 4: Simplify right side
    21,716.77x = 402,726,704.92
  5. Step 5: Solve for x
    x = 402,726,704.92/21,716.77
  6. Step 6: Final answer
    x = 18,544.50

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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.