Home / 27,551.16-38,022-15,615

Finding the Fourth Proportional to 27,551.16, 38,022 and 15,615

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Solution

The fourth proportional to 27,551.16, 38,022 and 15,615 is: 21,549.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.16 : 38,022 = 15,615 : x
  2. Step 2: Convert to fraction form
    27,551.16/38,022 = 15,615/x
  3. Step 3: Cross multiply
    27,551.16x = 38,022 × 15,615
  4. Step 4: Simplify right side
    27,551.16x = 593,713,530
  5. Step 5: Solve for x
    x = 593,713,530/27,551.16
  6. Step 6: Final answer
    x = 21,549.49

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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.