Home / 27,675.44-38,191.56-15,100.40

Finding the Fourth Proportional to 27,675.44, 38,191.56 and 15,100.40

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Solution

The fourth proportional to 27,675.44, 38,191.56 and 15,100.40 is: 20,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,675.44 : 38,191.56 = 15,100.40 : x
  2. Step 2: Convert to fraction form
    27,675.44/38,191.56 = 15,100.40/x
  3. Step 3: Cross multiply
    27,675.44x = 38,191.56 × 15,100.40
  4. Step 4: Simplify right side
    27,675.44x = 576,707,832.62
  5. Step 5: Solve for x
    x = 576,707,832.62/27,675.44
  6. Step 6: Final answer
    x = 20,838.25

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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.