Home / 24,131.28-33,241.68-20,982

Finding the Fourth Proportional to 24,131.28, 33,241.68 and 20,982

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Solution

The fourth proportional to 24,131.28, 33,241.68 and 20,982 is: 28,903.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,131.28 : 33,241.68 = 20,982 : x
  2. Step 2: Convert to fraction form
    24,131.28/33,241.68 = 20,982/x
  3. Step 3: Cross multiply
    24,131.28x = 33,241.68 × 20,982
  4. Step 4: Simplify right side
    24,131.28x = 697,476,929.76
  5. Step 5: Solve for x
    x = 697,476,929.76/24,131.28
  6. Step 6: Final answer
    x = 28,903.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.