Home / 21,029.32-29,020.62-11,599.48

Finding the Fourth Proportional to 21,029.32, 29,020.62 and 11,599.48

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Solution

The fourth proportional to 21,029.32, 29,020.62 and 11,599.48 is: 16,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,029.32 : 29,020.62 = 11,599.48 : x
  2. Step 2: Convert to fraction form
    21,029.32/29,020.62 = 11,599.48/x
  3. Step 3: Cross multiply
    21,029.32x = 29,020.62 × 11,599.48
  4. Step 4: Simplify right side
    21,029.32x = 336,624,101.28
  5. Step 5: Solve for x
    x = 336,624,101.28/21,029.32
  6. Step 6: Final answer
    x = 16,007.37

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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.