Home / 27,105.62-37,405.76-15,171.26

Finding the Fourth Proportional to 27,105.62, 37,405.76 and 15,171.26

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Solution

The fourth proportional to 27,105.62, 37,405.76 and 15,171.26 is: 20,936.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.62 : 37,405.76 = 15,171.26 : x
  2. Step 2: Convert to fraction form
    27,105.62/37,405.76 = 15,171.26/x
  3. Step 3: Cross multiply
    27,105.62x = 37,405.76 × 15,171.26
  4. Step 4: Simplify right side
    27,105.62x = 567,492,247.57
  5. Step 5: Solve for x
    x = 567,492,247.57/27,105.62
  6. Step 6: Final answer
    x = 20,936.34

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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.