Home / 28,516.62-39,346.44-16,418.46

Finding the Fourth Proportional to 28,516.62, 39,346.44 and 16,418.46

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Solution

The fourth proportional to 28,516.62, 39,346.44 and 16,418.46 is: 22,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.62 : 39,346.44 = 16,418.46 : x
  2. Step 2: Convert to fraction form
    28,516.62/39,346.44 = 16,418.46/x
  3. Step 3: Cross multiply
    28,516.62x = 39,346.44 × 16,418.46
  4. Step 4: Simplify right side
    28,516.62x = 646,007,951.28
  5. Step 5: Solve for x
    x = 646,007,951.28/28,516.62
  6. Step 6: Final answer
    x = 22,653.73

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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.