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Finding the Fourth Proportional to 57,508, 86,262 and 18,596

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Solution

The fourth proportional to 57,508, 86,262 and 18,596 is: 27,894

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,508 : 86,262 = 18,596 : x
  2. Step 2: Convert to fraction form
    57,508/86,262 = 18,596/x
  3. Step 3: Cross multiply
    57,508x = 86,262 × 18,596
  4. Step 4: Simplify right side
    57,508x = 1,604,128,152
  5. Step 5: Solve for x
    x = 1,604,128,152/57,508
  6. Step 6: Final answer
    x = 27,894

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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.