Home / 27,371.43-37,771.72-15,434.60

Finding the Fourth Proportional to 27,371.43, 37,771.72 and 15,434.60

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Solution

The fourth proportional to 27,371.43, 37,771.72 and 15,434.60 is: 21,299.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,371.43 : 37,771.72 = 15,434.60 : x
  2. Step 2: Convert to fraction form
    27,371.43/37,771.72 = 15,434.60/x
  3. Step 3: Cross multiply
    27,371.43x = 37,771.72 × 15,434.60
  4. Step 4: Simplify right side
    27,371.43x = 582,991,162.07
  5. Step 5: Solve for x
    x = 582,991,162.07/27,371.43
  6. Step 6: Final answer
    x = 21,299.26

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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.