Home / 16,284.28-24,428.84-5,187.68

Finding the Fourth Proportional to 16,284.28, 24,428.84 and 5,187.68

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Solution

The fourth proportional to 16,284.28, 24,428.84 and 5,187.68 is: 7,782.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,284.28 : 24,428.84 = 5,187.68 : x
  2. Step 2: Convert to fraction form
    16,284.28/24,428.84 = 5,187.68/x
  3. Step 3: Cross multiply
    16,284.28x = 24,428.84 × 5,187.68
  4. Step 4: Simplify right side
    16,284.28x = 126,729,004.69
  5. Step 5: Solve for x
    x = 126,729,004.69/16,284.28
  6. Step 6: Final answer
    x = 7,782.29

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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.