Home / 27,748.17-38,292.44-15,172.92

Finding the Fourth Proportional to 27,748.17, 38,292.44 and 15,172.92

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Solution

The fourth proportional to 27,748.17, 38,292.44 and 15,172.92 is: 20,938.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.17 : 38,292.44 = 15,172.92 : x
  2. Step 2: Convert to fraction form
    27,748.17/38,292.44 = 15,172.92/x
  3. Step 3: Cross multiply
    27,748.17x = 38,292.44 × 15,172.92
  4. Step 4: Simplify right side
    27,748.17x = 581,008,052.86
  5. Step 5: Solve for x
    x = 581,008,052.86/27,748.17
  6. Step 6: Final answer
    x = 20,938.61

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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.