Home / 27,662.28-38,173.53-15,087.03

Finding the Fourth Proportional to 27,662.28, 38,173.53 and 15,087.03

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Solution

The fourth proportional to 27,662.28, 38,173.53 and 15,087.03 is: 20,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,662.28 : 38,173.53 = 15,087.03 : x
  2. Step 2: Convert to fraction form
    27,662.28/38,173.53 = 15,087.03/x
  3. Step 3: Cross multiply
    27,662.28x = 38,173.53 × 15,087.03
  4. Step 4: Simplify right side
    27,662.28x = 575,925,192.32
  5. Step 5: Solve for x
    x = 575,925,192.32/27,662.28
  6. Step 6: Final answer
    x = 20,819.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.