Home / 27,570.68-38,047.07-15,305.66

Finding the Fourth Proportional to 27,570.68, 38,047.07 and 15,305.66

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Solution

The fourth proportional to 27,570.68, 38,047.07 and 15,305.66 is: 21,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,570.68 : 38,047.07 = 15,305.66 : x
  2. Step 2: Convert to fraction form
    27,570.68/38,047.07 = 15,305.66/x
  3. Step 3: Cross multiply
    27,570.68x = 38,047.07 × 15,305.66
  4. Step 4: Simplify right side
    27,570.68x = 582,335,250.65
  5. Step 5: Solve for x
    x = 582,335,250.65/27,570.68
  6. Step 6: Final answer
    x = 21,121.54

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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.