Home / 28,453.92-39,284.90-25,464.61

Finding the Fourth Proportional to 28,453.92, 39,284.90 and 25,464.61

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Solution

The fourth proportional to 28,453.92, 39,284.90 and 25,464.61 is: 35,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.92 : 39,284.90 = 25,464.61 : x
  2. Step 2: Convert to fraction form
    28,453.92/39,284.90 = 25,464.61/x
  3. Step 3: Cross multiply
    28,453.92x = 39,284.90 × 25,464.61
  4. Step 4: Simplify right side
    28,453.92x = 1,000,374,657.39
  5. Step 5: Solve for x
    x = 1,000,374,657.39/28,453.92
  6. Step 6: Final answer
    x = 35,157.71

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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.