Home / 28,546.66-39,407.61-16,605.64

Finding the Fourth Proportional to 28,546.66, 39,407.61 and 16,605.64

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Solution

The fourth proportional to 28,546.66, 39,407.61 and 16,605.64 is: 22,923.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,546.66 : 39,407.61 = 16,605.64 : x
  2. Step 2: Convert to fraction form
    28,546.66/39,407.61 = 16,605.64/x
  3. Step 3: Cross multiply
    28,546.66x = 39,407.61 × 16,605.64
  4. Step 4: Simplify right side
    28,546.66x = 654,388,584.92
  5. Step 5: Solve for x
    x = 654,388,584.92/28,546.66
  6. Step 6: Final answer
    x = 22,923.47

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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.