Home / 27,880.17-38,474.78-15,944.01

Finding the Fourth Proportional to 27,880.17, 38,474.78 and 15,944.01

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Solution

The fourth proportional to 27,880.17, 38,474.78 and 15,944.01 is: 22,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.17 : 38,474.78 = 15,944.01 : x
  2. Step 2: Convert to fraction form
    27,880.17/38,474.78 = 15,944.01/x
  3. Step 3: Cross multiply
    27,880.17x = 38,474.78 × 15,944.01
  4. Step 4: Simplify right side
    27,880.17x = 613,442,197.35
  5. Step 5: Solve for x
    x = 613,442,197.35/27,880.17
  6. Step 6: Final answer
    x = 22,002.81

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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.