Home / 27,629.26-38,127.06-15,690.97

Finding the Fourth Proportional to 27,629.26, 38,127.06 and 15,690.97

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Solution

The fourth proportional to 27,629.26, 38,127.06 and 15,690.97 is: 21,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,629.26 : 38,127.06 = 15,690.97 : x
  2. Step 2: Convert to fraction form
    27,629.26/38,127.06 = 15,690.97/x
  3. Step 3: Cross multiply
    27,629.26x = 38,127.06 × 15,690.97
  4. Step 4: Simplify right side
    27,629.26x = 598,250,554.65
  5. Step 5: Solve for x
    x = 598,250,554.65/27,629.26
  6. Step 6: Final answer
    x = 21,652.79

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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.