Home / 28,097.96-38,778.14-17,342.17

Finding the Fourth Proportional to 28,097.96, 38,778.14 and 17,342.17

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Solution

The fourth proportional to 28,097.96, 38,778.14 and 17,342.17 is: 23,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.96 : 38,778.14 = 17,342.17 : x
  2. Step 2: Convert to fraction form
    28,097.96/38,778.14 = 17,342.17/x
  3. Step 3: Cross multiply
    28,097.96x = 38,778.14 × 17,342.17
  4. Step 4: Simplify right side
    28,097.96x = 672,497,042.57
  5. Step 5: Solve for x
    x = 672,497,042.57/28,097.96
  6. Step 6: Final answer
    x = 23,934.02

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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.