Home / 28,743.82-39,673.47-27,091.42

Finding the Fourth Proportional to 28,743.82, 39,673.47 and 27,091.42

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Solution

The fourth proportional to 28,743.82, 39,673.47 and 27,091.42 is: 37,392.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.82 : 39,673.47 = 27,091.42 : x
  2. Step 2: Convert to fraction form
    28,743.82/39,673.47 = 27,091.42/x
  3. Step 3: Cross multiply
    28,743.82x = 39,673.47 × 27,091.42
  4. Step 4: Simplify right side
    28,743.82x = 1,074,810,638.63
  5. Step 5: Solve for x
    x = 1,074,810,638.63/28,743.82
  6. Step 6: Final answer
    x = 37,392.76

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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.