Home / 28,684.11-39,584.96-17,355.69

Finding the Fourth Proportional to 28,684.11, 39,584.96 and 17,355.69

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Solution

The fourth proportional to 28,684.11, 39,584.96 and 17,355.69 is: 23,951.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.11 : 39,584.96 = 17,355.69 : x
  2. Step 2: Convert to fraction form
    28,684.11/39,584.96 = 17,355.69/x
  3. Step 3: Cross multiply
    28,684.11x = 39,584.96 × 17,355.69
  4. Step 4: Simplify right side
    28,684.11x = 687,024,207.64
  5. Step 5: Solve for x
    x = 687,024,207.64/28,684.11
  6. Step 6: Final answer
    x = 23,951.39

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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.