Home / 28,193.64-42,293.94-9,217.83

Finding the Fourth Proportional to 28,193.64, 42,293.94 and 9,217.83

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Solution

The fourth proportional to 28,193.64, 42,293.94 and 9,217.83 is: 13,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,193.64 : 42,293.94 = 9,217.83 : x
  2. Step 2: Convert to fraction form
    28,193.64/42,293.94 = 9,217.83/x
  3. Step 3: Cross multiply
    28,193.64x = 42,293.94 × 9,217.83
  4. Step 4: Simplify right side
    28,193.64x = 389,858,348.95
  5. Step 5: Solve for x
    x = 389,858,348.95/28,193.64
  6. Step 6: Final answer
    x = 13,827.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.