Home / 27,121.05-37,427.85-15,184.28

Finding the Fourth Proportional to 27,121.05, 37,427.85 and 15,184.28

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Solution

The fourth proportional to 27,121.05, 37,427.85 and 15,184.28 is: 20,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,121.05 : 37,427.85 = 15,184.28 : x
  2. Step 2: Convert to fraction form
    27,121.05/37,427.85 = 15,184.28/x
  3. Step 3: Cross multiply
    27,121.05x = 37,427.85 × 15,184.28
  4. Step 4: Simplify right side
    27,121.05x = 568,314,767.06
  5. Step 5: Solve for x
    x = 568,314,767.06/27,121.05
  6. Step 6: Final answer
    x = 20,954.75

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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.