Home / 21,744.90-30,015.09-19,841.94

Finding the Fourth Proportional to 21,744.90, 30,015.09 and 19,841.94

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Solution

The fourth proportional to 21,744.90, 30,015.09 and 19,841.94 is: 27,388.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.90 : 30,015.09 = 19,841.94 : x
  2. Step 2: Convert to fraction form
    21,744.90/30,015.09 = 19,841.94/x
  3. Step 3: Cross multiply
    21,744.90x = 30,015.09 × 19,841.94
  4. Step 4: Simplify right side
    21,744.90x = 595,557,614.87
  5. Step 5: Solve for x
    x = 595,557,614.87/21,744.90
  6. Step 6: Final answer
    x = 27,388.38

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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.