Home / 27,057.63-37,339.43-15,120.97

Finding the Fourth Proportional to 27,057.63, 37,339.43 and 15,120.97

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Solution

The fourth proportional to 27,057.63, 37,339.43 and 15,120.97 is: 20,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,057.63 : 37,339.43 = 15,120.97 : x
  2. Step 2: Convert to fraction form
    27,057.63/37,339.43 = 15,120.97/x
  3. Step 3: Cross multiply
    27,057.63x = 37,339.43 × 15,120.97
  4. Step 4: Simplify right side
    27,057.63x = 564,608,214.15
  5. Step 5: Solve for x
    x = 564,608,214.15/27,057.63
  6. Step 6: Final answer
    x = 20,866.88

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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.