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Finding the Fourth Proportional to 21,735.26, 29,995.02 and 11,799.26

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Solution

The fourth proportional to 21,735.26, 29,995.02 and 11,799.26 is: 16,283.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.26 : 29,995.02 = 11,799.26 : x
  2. Step 2: Convert to fraction form
    21,735.26/29,995.02 = 11,799.26/x
  3. Step 3: Cross multiply
    21,735.26x = 29,995.02 × 11,799.26
  4. Step 4: Simplify right side
    21,735.26x = 353,919,039.69
  5. Step 5: Solve for x
    x = 353,919,039.69/21,735.26
  6. Step 6: Final answer
    x = 16,283.17

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1.5x scale

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.