Home / 27,770.97-38,284.07-19,799.35

Finding the Fourth Proportional to 27,770.97, 38,284.07 and 19,799.35

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Solution

The fourth proportional to 27,770.97, 38,284.07 and 19,799.35 is: 27,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,770.97 : 38,284.07 = 19,799.35 : x
  2. Step 2: Convert to fraction form
    27,770.97/38,284.07 = 19,799.35/x
  3. Step 3: Cross multiply
    27,770.97x = 38,284.07 × 19,799.35
  4. Step 4: Simplify right side
    27,770.97x = 757,999,701.35
  5. Step 5: Solve for x
    x = 757,999,701.35/27,770.97
  6. Step 6: Final answer
    x = 27,294.68

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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.