Home / 27,103.82-37,403.78-15,168.47

Finding the Fourth Proportional to 27,103.82, 37,403.78 and 15,168.47

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Solution

The fourth proportional to 27,103.82, 37,403.78 and 15,168.47 is: 20,932.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,103.82 : 37,403.78 = 15,168.47 : x
  2. Step 2: Convert to fraction form
    27,103.82/37,403.78 = 15,168.47/x
  3. Step 3: Cross multiply
    27,103.82x = 37,403.78 × 15,168.47
  4. Step 4: Simplify right side
    27,103.82x = 567,357,851.96
  5. Step 5: Solve for x
    x = 567,357,851.96/27,103.82
  6. Step 6: Final answer
    x = 20,932.77

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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.