Home / 28,245.18-42,366.42-11,601.12

Finding the Fourth Proportional to 28,245.18, 42,366.42 and 11,601.12

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Solution

The fourth proportional to 28,245.18, 42,366.42 and 11,601.12 is: 17,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,245.18 : 42,366.42 = 11,601.12 : x
  2. Step 2: Convert to fraction form
    28,245.18/42,366.42 = 11,601.12/x
  3. Step 3: Cross multiply
    28,245.18x = 42,366.42 × 11,601.12
  4. Step 4: Simplify right side
    28,245.18x = 491,497,922.39
  5. Step 5: Solve for x
    x = 491,497,922.39/28,245.18
  6. Step 6: Final answer
    x = 17,401.13

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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.