Home / 21,935.88-32,884.38-16,764.84

Finding the Fourth Proportional to 21,935.88, 32,884.38 and 16,764.84

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Solution

The fourth proportional to 21,935.88, 32,884.38 and 16,764.84 is: 25,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.88 : 32,884.38 = 16,764.84 : x
  2. Step 2: Convert to fraction form
    21,935.88/32,884.38 = 16,764.84/x
  3. Step 3: Cross multiply
    21,935.88x = 32,884.38 × 16,764.84
  4. Step 4: Simplify right side
    21,935.88x = 551,301,369.20
  5. Step 5: Solve for x
    x = 551,301,369.20/21,935.88
  6. Step 6: Final answer
    x = 25,132.40

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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.