Home / 27,817.96-38,388.26-15,242.62

Finding the Fourth Proportional to 27,817.96, 38,388.26 and 15,242.62

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Solution

The fourth proportional to 27,817.96, 38,388.26 and 15,242.62 is: 21,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.96 : 38,388.26 = 15,242.62 : x
  2. Step 2: Convert to fraction form
    27,817.96/38,388.26 = 15,242.62/x
  3. Step 3: Cross multiply
    27,817.96x = 38,388.26 × 15,242.62
  4. Step 4: Simplify right side
    27,817.96x = 585,137,659.64
  5. Step 5: Solve for x
    x = 585,137,659.64/27,817.96
  6. Step 6: Final answer
    x = 21,034.53

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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.