Home / 21,052.05-29,052.07-11,620.62

Finding the Fourth Proportional to 21,052.05, 29,052.07 and 11,620.62

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Solution

The fourth proportional to 21,052.05, 29,052.07 and 11,620.62 is: 16,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,052.05 : 29,052.07 = 11,620.62 : x
  2. Step 2: Convert to fraction form
    21,052.05/29,052.07 = 11,620.62/x
  3. Step 3: Cross multiply
    21,052.05x = 29,052.07 × 11,620.62
  4. Step 4: Simplify right side
    21,052.05x = 337,603,065.68
  5. Step 5: Solve for x
    x = 337,603,065.68/21,052.05
  6. Step 6: Final answer
    x = 16,036.59

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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.