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Finding the Fourth Proportional to 64,021, 96,019.84 and 17,262.92

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Solution

The fourth proportional to 64,021, 96,019.84 and 17,262.92 is: 25,891.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,021 : 96,019.84 = 17,262.92 : x
  2. Step 2: Convert to fraction form
    64,021/96,019.84 = 17,262.92/x
  3. Step 3: Cross multiply
    64,021x = 96,019.84 × 17,262.92
  4. Step 4: Simplify right side
    64,021x = 1,657,582,816.33
  5. Step 5: Solve for x
    x = 1,657,582,816.33/64,021
  6. Step 6: Final answer
    x = 25,891.24

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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.