Home / 28,946.56-43,418.24-8,168.96

Finding the Fourth Proportional to 28,946.56, 43,418.24 and 8,168.96

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Solution

The fourth proportional to 28,946.56, 43,418.24 and 8,168.96 is: 12,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.56 : 43,418.24 = 8,168.96 : x
  2. Step 2: Convert to fraction form
    28,946.56/43,418.24 = 8,168.96/x
  3. Step 3: Cross multiply
    28,946.56x = 43,418.24 × 8,168.96
  4. Step 4: Simplify right side
    28,946.56x = 354,681,865.83
  5. Step 5: Solve for x
    x = 354,681,865.83/28,946.56
  6. Step 6: Final answer
    x = 12,252.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.