Home / 28,856.44-39,822.60-16,282

Finding the Fourth Proportional to 28,856.44, 39,822.60 and 16,282

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Solution

The fourth proportional to 28,856.44, 39,822.60 and 16,282 is: 22,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.44 : 39,822.60 = 16,282 : x
  2. Step 2: Convert to fraction form
    28,856.44/39,822.60 = 16,282/x
  3. Step 3: Cross multiply
    28,856.44x = 39,822.60 × 16,282
  4. Step 4: Simplify right side
    28,856.44x = 648,391,573.20
  5. Step 5: Solve for x
    x = 648,391,573.20/28,856.44
  6. Step 6: Final answer
    x = 22,469.56

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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.