Home / 27,371.52-37,769.49-15,434.15

Finding the Fourth Proportional to 27,371.52, 37,769.49 and 15,434.15

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Solution

The fourth proportional to 27,371.52, 37,769.49 and 15,434.15 is: 21,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.52 : 37,769.49 = 15,434.15 : x
  2. Step 2: Convert to fraction form
    27,371.52/37,769.49 = 15,434.15/x
  3. Step 3: Cross multiply
    27,371.52x = 37,769.49 × 15,434.15
  4. Step 4: Simplify right side
    27,371.52x = 582,939,785.24
  5. Step 5: Solve for x
    x = 582,939,785.24/27,371.52
  6. Step 6: Final answer
    x = 21,297.31

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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.