Home / 16,217-24,331.47-5,687.81

Finding the Fourth Proportional to 16,217, 24,331.47 and 5,687.81

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Solution

The fourth proportional to 16,217, 24,331.47 and 5,687.81 is: 8,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217 : 24,331.47 = 5,687.81 : x
  2. Step 2: Convert to fraction form
    16,217/24,331.47 = 5,687.81/x
  3. Step 3: Cross multiply
    16,217x = 24,331.47 × 5,687.81
  4. Step 4: Simplify right side
    16,217x = 138,392,778.38
  5. Step 5: Solve for x
    x = 138,392,778.38/16,217
  6. Step 6: Final answer
    x = 8,533.81

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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.