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Finding the Fourth Proportional to 64,343.92, 96,513.36 and 26,894.32

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Solution

The fourth proportional to 64,343.92, 96,513.36 and 26,894.32 is: 40,340.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343.92 : 96,513.36 = 26,894.32 : x
  2. Step 2: Convert to fraction form
    64,343.92/96,513.36 = 26,894.32/x
  3. Step 3: Cross multiply
    64,343.92x = 96,513.36 × 26,894.32
  4. Step 4: Simplify right side
    64,343.92x = 2,595,661,188.12
  5. Step 5: Solve for x
    x = 2,595,661,188.12/64,343.92
  6. Step 6: Final answer
    x = 40,340.43

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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.