Home / 28,147.82-42,211.14-11,498.94

Finding the Fourth Proportional to 28,147.82, 42,211.14 and 11,498.94

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Solution

The fourth proportional to 28,147.82, 42,211.14 and 11,498.94 is: 17,244.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147.82 : 42,211.14 = 11,498.94 : x
  2. Step 2: Convert to fraction form
    28,147.82/42,211.14 = 11,498.94/x
  3. Step 3: Cross multiply
    28,147.82x = 42,211.14 × 11,498.94
  4. Step 4: Simplify right side
    28,147.82x = 485,383,366.19
  5. Step 5: Solve for x
    x = 485,383,366.19/28,147.82
  6. Step 6: Final answer
    x = 17,244.08

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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.