Home / 27,769.51-38,321.96-15,194.26

Finding the Fourth Proportional to 27,769.51, 38,321.96 and 15,194.26

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Solution

The fourth proportional to 27,769.51, 38,321.96 and 15,194.26 is: 20,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,769.51 : 38,321.96 = 15,194.26 : x
  2. Step 2: Convert to fraction form
    27,769.51/38,321.96 = 15,194.26/x
  3. Step 3: Cross multiply
    27,769.51x = 38,321.96 × 15,194.26
  4. Step 4: Simplify right side
    27,769.51x = 582,273,823.95
  5. Step 5: Solve for x
    x = 582,273,823.95/27,769.51
  6. Step 6: Final answer
    x = 20,968.10

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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.