Home / 27,103.88-37,394.31-15,770.97

Finding the Fourth Proportional to 27,103.88, 37,394.31 and 15,770.97

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Solution

The fourth proportional to 27,103.88, 37,394.31 and 15,770.97 is: 21,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.88 : 37,394.31 = 15,770.97 : x
  2. Step 2: Convert to fraction form
    27,103.88/37,394.31 = 15,770.97/x
  3. Step 3: Cross multiply
    27,103.88x = 37,394.31 × 15,770.97
  4. Step 4: Simplify right side
    27,103.88x = 589,744,541.18
  5. Step 5: Solve for x
    x = 589,744,541.18/27,103.88
  6. Step 6: Final answer
    x = 21,758.68

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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.