Home / 27,716.28-38,248.58-15,141

Finding the Fourth Proportional to 27,716.28, 38,248.58 and 15,141

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Solution

The fourth proportional to 27,716.28, 38,248.58 and 15,141 is: 20,894.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,716.28 : 38,248.58 = 15,141 : x
  2. Step 2: Convert to fraction form
    27,716.28/38,248.58 = 15,141/x
  3. Step 3: Cross multiply
    27,716.28x = 38,248.58 × 15,141
  4. Step 4: Simplify right side
    27,716.28x = 579,121,749.78
  5. Step 5: Solve for x
    x = 579,121,749.78/27,716.28
  6. Step 6: Final answer
    x = 20,894.64

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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.