Home / 27,127.64-37,435.11-15,190.38

Finding the Fourth Proportional to 27,127.64, 37,435.11 and 15,190.38

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Solution

The fourth proportional to 27,127.64, 37,435.11 and 15,190.38 is: 20,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,127.64 : 37,435.11 = 15,190.38 : x
  2. Step 2: Convert to fraction form
    27,127.64/37,435.11 = 15,190.38/x
  3. Step 3: Cross multiply
    27,127.64x = 37,435.11 × 15,190.38
  4. Step 4: Simplify right side
    27,127.64x = 568,653,546.24
  5. Step 5: Solve for x
    x = 568,653,546.24/27,127.64
  6. Step 6: Final answer
    x = 20,962.15

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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.