Home / 26,979.48-37,231.52-15,042.96

Finding the Fourth Proportional to 26,979.48, 37,231.52 and 15,042.96

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Solution

The fourth proportional to 26,979.48, 37,231.52 and 15,042.96 is: 20,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.48 : 37,231.52 = 15,042.96 : x
  2. Step 2: Convert to fraction form
    26,979.48/37,231.52 = 15,042.96/x
  3. Step 3: Cross multiply
    26,979.48x = 37,231.52 × 15,042.96
  4. Step 4: Simplify right side
    26,979.48x = 560,072,266.10
  5. Step 5: Solve for x
    x = 560,072,266.10/26,979.48
  6. Step 6: Final answer
    x = 20,759.19

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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.