Home / 29,866.61-41,216.91-16,438.43

Finding the Fourth Proportional to 29,866.61, 41,216.91 and 16,438.43

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Solution

The fourth proportional to 29,866.61, 41,216.91 and 16,438.43 is: 22,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,866.61 : 41,216.91 = 16,438.43 : x
  2. Step 2: Convert to fraction form
    29,866.61/41,216.91 = 16,438.43/x
  3. Step 3: Cross multiply
    29,866.61x = 41,216.91 × 16,438.43
  4. Step 4: Simplify right side
    29,866.61x = 677,541,289.85
  5. Step 5: Solve for x
    x = 677,541,289.85/29,866.61
  6. Step 6: Final answer
    x = 22,685.58

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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.