Home / 27,105.87-37,406.29-15,170.32

Finding the Fourth Proportional to 27,105.87, 37,406.29 and 15,170.32

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Solution

The fourth proportional to 27,105.87, 37,406.29 and 15,170.32 is: 20,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.87 : 37,406.29 = 15,170.32 : x
  2. Step 2: Convert to fraction form
    27,105.87/37,406.29 = 15,170.32/x
  3. Step 3: Cross multiply
    27,105.87x = 37,406.29 × 15,170.32
  4. Step 4: Simplify right side
    27,105.87x = 567,465,202.28
  5. Step 5: Solve for x
    x = 567,465,202.28/27,105.87
  6. Step 6: Final answer
    x = 20,935.14

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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.