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Finding the Fourth Proportional to 19,377, 29,076 and 15,003

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Solution

The fourth proportional to 19,377, 29,076 and 15,003 is: 22,512.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,377 : 29,076 = 15,003 : x
  2. Step 2: Convert to fraction form
    19,377/29,076 = 15,003/x
  3. Step 3: Cross multiply
    19,377x = 29,076 × 15,003
  4. Step 4: Simplify right side
    19,377x = 436,227,228
  5. Step 5: Solve for x
    x = 436,227,228/19,377
  6. Step 6: Final answer
    x = 22,512.63

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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.