Home / 28,481.50-39,304.06-16,551.55

Finding the Fourth Proportional to 28,481.50, 39,304.06 and 16,551.55

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Solution

The fourth proportional to 28,481.50, 39,304.06 and 16,551.55 is: 22,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,481.50 : 39,304.06 = 16,551.55 : x
  2. Step 2: Convert to fraction form
    28,481.50/39,304.06 = 16,551.55/x
  3. Step 3: Cross multiply
    28,481.50x = 39,304.06 × 16,551.55
  4. Step 4: Simplify right side
    28,481.50x = 650,543,114.29
  5. Step 5: Solve for x
    x = 650,543,114.29/28,481.50
  6. Step 6: Final answer
    x = 22,840.90

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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.