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Finding the Fourth Proportional to 52,522, 78,783 and 15,586

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Solution

The fourth proportional to 52,522, 78,783 and 15,586 is: 23,379

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,522 : 78,783 = 15,586 : x
  2. Step 2: Convert to fraction form
    52,522/78,783 = 15,586/x
  3. Step 3: Cross multiply
    52,522x = 78,783 × 15,586
  4. Step 4: Simplify right side
    52,522x = 1,227,911,838
  5. Step 5: Solve for x
    x = 1,227,911,838/52,522
  6. Step 6: Final answer
    x = 23,379

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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.