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Finding the Fourth Proportional to 20,006, 27,607.95 and 11,053.88

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Solution

The fourth proportional to 20,006, 27,607.95 and 11,053.88 is: 15,254.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006 : 27,607.95 = 11,053.88 : x
  2. Step 2: Convert to fraction form
    20,006/27,607.95 = 11,053.88/x
  3. Step 3: Cross multiply
    20,006x = 27,607.95 × 11,053.88
  4. Step 4: Simplify right side
    20,006x = 305,174,966.35
  5. Step 5: Solve for x
    x = 305,174,966.35/20,006
  6. Step 6: Final answer
    x = 15,254.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.