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Finding the Fourth Proportional to 40,180, 60,270 and 15,556

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Solution

The fourth proportional to 40,180, 60,270 and 15,556 is: 23,334

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,180 : 60,270 = 15,556 : x
  2. Step 2: Convert to fraction form
    40,180/60,270 = 15,556/x
  3. Step 3: Cross multiply
    40,180x = 60,270 × 15,556
  4. Step 4: Simplify right side
    40,180x = 937,560,120
  5. Step 5: Solve for x
    x = 937,560,120/40,180
  6. Step 6: Final answer
    x = 23,334

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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.