Home / 38,255.80-52,778.20-28,208.04

Finding the Fourth Proportional to 38,255.80, 52,778.20 and 28,208.04

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Solution

The fourth proportional to 38,255.80, 52,778.20 and 28,208.04 is: 38,916.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.80 : 52,778.20 = 28,208.04 : x
  2. Step 2: Convert to fraction form
    38,255.80/52,778.20 = 28,208.04/x
  3. Step 3: Cross multiply
    38,255.80x = 52,778.20 × 28,208.04
  4. Step 4: Simplify right side
    38,255.80x = 1,488,769,576.73
  5. Step 5: Solve for x
    x = 1,488,769,576.73/38,255.80
  6. Step 6: Final answer
    x = 38,916.18

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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.