Home / 21,167.15-31,752.05-5,584.79

Finding the Fourth Proportional to 21,167.15, 31,752.05 and 5,584.79

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Solution

The fourth proportional to 21,167.15, 31,752.05 and 5,584.79 is: 8,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.15 : 31,752.05 = 5,584.79 : x
  2. Step 2: Convert to fraction form
    21,167.15/31,752.05 = 5,584.79/x
  3. Step 3: Cross multiply
    21,167.15x = 31,752.05 × 5,584.79
  4. Step 4: Simplify right side
    21,167.15x = 177,328,503.40
  5. Step 5: Solve for x
    x = 177,328,503.40/21,167.15
  6. Step 6: Final answer
    x = 8,377.53

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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.