Home / 21,355.14-32,033.52-5,772.77

Finding the Fourth Proportional to 21,355.14, 32,033.52 and 5,772.77

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Solution

The fourth proportional to 21,355.14, 32,033.52 and 5,772.77 is: 8,659.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,355.14 : 32,033.52 = 5,772.77 : x
  2. Step 2: Convert to fraction form
    21,355.14/32,033.52 = 5,772.77/x
  3. Step 3: Cross multiply
    21,355.14x = 32,033.52 × 5,772.77
  4. Step 4: Simplify right side
    21,355.14x = 184,922,143.25
  5. Step 5: Solve for x
    x = 184,922,143.25/21,355.14
  6. Step 6: Final answer
    x = 8,659.37

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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.