Home / 27,105.92-37,406.25-15,168.35

Finding the Fourth Proportional to 27,105.92, 37,406.25 and 15,168.35

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Solution

The fourth proportional to 27,105.92, 37,406.25 and 15,168.35 is: 20,932.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.92 : 37,406.25 = 15,168.35 : x
  2. Step 2: Convert to fraction form
    27,105.92/37,406.25 = 15,168.35/x
  3. Step 3: Cross multiply
    27,105.92x = 37,406.25 × 15,168.35
  4. Step 4: Simplify right side
    27,105.92x = 567,390,905.16
  5. Step 5: Solve for x
    x = 567,390,905.16/27,105.92
  6. Step 6: Final answer
    x = 20,932.36

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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.