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Finding the Fourth Proportional to 57,960, 86,908.05 and 17,967.92

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Solution

The fourth proportional to 57,960, 86,908.05 and 17,967.92 is: 26,941.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,960 : 86,908.05 = 17,967.92 : x
  2. Step 2: Convert to fraction form
    57,960/86,908.05 = 17,967.92/x
  3. Step 3: Cross multiply
    57,960x = 86,908.05 × 17,967.92
  4. Step 4: Simplify right side
    57,960x = 1,561,556,455.22
  5. Step 5: Solve for x
    x = 1,561,556,455.22/57,960
  6. Step 6: Final answer
    x = 26,941.97

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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.