Home / 21,539.68-32,309.44-5,957.28

Finding the Fourth Proportional to 21,539.68, 32,309.44 and 5,957.28

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Solution

The fourth proportional to 21,539.68, 32,309.44 and 5,957.28 is: 8,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,539.68 : 32,309.44 = 5,957.28 : x
  2. Step 2: Convert to fraction form
    21,539.68/32,309.44 = 5,957.28/x
  3. Step 3: Cross multiply
    21,539.68x = 32,309.44 × 5,957.28
  4. Step 4: Simplify right side
    21,539.68x = 192,476,380.72
  5. Step 5: Solve for x
    x = 192,476,380.72/21,539.68
  6. Step 6: Final answer
    x = 8,935.90

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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.