Home / 27,770.88-38,283.96-19,799.27

Finding the Fourth Proportional to 27,770.88, 38,283.96 and 19,799.27

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Solution

The fourth proportional to 27,770.88, 38,283.96 and 19,799.27 is: 27,294.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.88 : 38,283.96 = 19,799.27 : x
  2. Step 2: Convert to fraction form
    27,770.88/38,283.96 = 19,799.27/x
  3. Step 3: Cross multiply
    27,770.88x = 38,283.96 × 19,799.27
  4. Step 4: Simplify right side
    27,770.88x = 757,994,170.29
  5. Step 5: Solve for x
    x = 757,994,170.29/27,770.88
  6. Step 6: Final answer
    x = 27,294.57

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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.