Home / 28,414.20-39,216.48-16,481.28

Finding the Fourth Proportional to 28,414.20, 39,216.48 and 16,481.28

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Solution

The fourth proportional to 28,414.20, 39,216.48 and 16,481.28 is: 22,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.20 : 39,216.48 = 16,481.28 : x
  2. Step 2: Convert to fraction form
    28,414.20/39,216.48 = 16,481.28/x
  3. Step 3: Cross multiply
    28,414.20x = 39,216.48 × 16,481.28
  4. Step 4: Simplify right side
    28,414.20x = 646,337,787.49
  5. Step 5: Solve for x
    x = 646,337,787.49/28,414.20
  6. Step 6: Final answer
    x = 22,747.00

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1.5x scale

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.