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Finding the Fourth Proportional to 58,638, 87,957 and 25,806

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Solution

The fourth proportional to 58,638, 87,957 and 25,806 is: 38,709

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,638 : 87,957 = 25,806 : x
  2. Step 2: Convert to fraction form
    58,638/87,957 = 25,806/x
  3. Step 3: Cross multiply
    58,638x = 87,957 × 25,806
  4. Step 4: Simplify right side
    58,638x = 2,269,818,342
  5. Step 5: Solve for x
    x = 2,269,818,342/58,638
  6. Step 6: Final answer
    x = 38,709

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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.