Home / 21,576.58-29,771.97-19,832.58

Finding the Fourth Proportional to 21,576.58, 29,771.97 and 19,832.58

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Solution

The fourth proportional to 21,576.58, 29,771.97 and 19,832.58 is: 27,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576.58 : 29,771.97 = 19,832.58 : x
  2. Step 2: Convert to fraction form
    21,576.58/29,771.97 = 19,832.58/x
  3. Step 3: Cross multiply
    21,576.58x = 29,771.97 × 19,832.58
  4. Step 4: Simplify right side
    21,576.58x = 590,454,976.78
  5. Step 5: Solve for x
    x = 590,454,976.78/21,576.58
  6. Step 6: Final answer
    x = 27,365.55

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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.