Home / 19,736.20-27,248.04-18,788.96

Finding the Fourth Proportional to 19,736.20, 27,248.04 and 18,788.96

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Solution

The fourth proportional to 19,736.20, 27,248.04 and 18,788.96 is: 25,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.20 : 27,248.04 = 18,788.96 : x
  2. Step 2: Convert to fraction form
    19,736.20/27,248.04 = 18,788.96/x
  3. Step 3: Cross multiply
    19,736.20x = 27,248.04 × 18,788.96
  4. Step 4: Simplify right side
    19,736.20x = 511,962,333.64
  5. Step 5: Solve for x
    x = 511,962,333.64/19,736.20
  6. Step 6: Final answer
    x = 25,940.27

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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.