Home / 28,576.80-39,445.92-16,644.96

Finding the Fourth Proportional to 28,576.80, 39,445.92 and 16,644.96

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Solution

The fourth proportional to 28,576.80, 39,445.92 and 16,644.96 is: 22,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.80 : 39,445.92 = 16,644.96 : x
  2. Step 2: Convert to fraction form
    28,576.80/39,445.92 = 16,644.96/x
  3. Step 3: Cross multiply
    28,576.80x = 39,445.92 × 16,644.96
  4. Step 4: Simplify right side
    28,576.80x = 656,575,760.56
  5. Step 5: Solve for x
    x = 656,575,760.56/28,576.80
  6. Step 6: Final answer
    x = 22,975.83

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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.