Home / 26,979.40-37,227.06-15,040.12

Finding the Fourth Proportional to 26,979.40, 37,227.06 and 15,040.12

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Solution

The fourth proportional to 26,979.40, 37,227.06 and 15,040.12 is: 20,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.40 : 37,227.06 = 15,040.12 : x
  2. Step 2: Convert to fraction form
    26,979.40/37,227.06 = 15,040.12/x
  3. Step 3: Cross multiply
    26,979.40x = 37,227.06 × 15,040.12
  4. Step 4: Simplify right side
    26,979.40x = 559,899,449.65
  5. Step 5: Solve for x
    x = 559,899,449.65/26,979.40
  6. Step 6: Final answer
    x = 20,752.85

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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.