Home / 28,336.24-39,104.22-17,731.90

Finding the Fourth Proportional to 28,336.24, 39,104.22 and 17,731.90

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Solution

The fourth proportional to 28,336.24, 39,104.22 and 17,731.90 is: 24,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,336.24 : 39,104.22 = 17,731.90 : x
  2. Step 2: Convert to fraction form
    28,336.24/39,104.22 = 17,731.90/x
  3. Step 3: Cross multiply
    28,336.24x = 39,104.22 × 17,731.90
  4. Step 4: Simplify right side
    28,336.24x = 693,392,118.62
  5. Step 5: Solve for x
    x = 693,392,118.62/28,336.24
  6. Step 6: Final answer
    x = 24,470.15

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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.