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Finding the Fourth Proportional to 40,194, 60,291 and 15,570

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Solution

The fourth proportional to 40,194, 60,291 and 15,570 is: 23,355

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,194 : 60,291 = 15,570 : x
  2. Step 2: Convert to fraction form
    40,194/60,291 = 15,570/x
  3. Step 3: Cross multiply
    40,194x = 60,291 × 15,570
  4. Step 4: Simplify right side
    40,194x = 938,730,870
  5. Step 5: Solve for x
    x = 938,730,870/40,194
  6. Step 6: Final answer
    x = 23,355

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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.