Home / 27,826.96-38,401.32-15,251.92

Finding the Fourth Proportional to 27,826.96, 38,401.32 and 15,251.92

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Solution

The fourth proportional to 27,826.96, 38,401.32 and 15,251.92 is: 21,047.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,826.96 : 38,401.32 = 15,251.92 : x
  2. Step 2: Convert to fraction form
    27,826.96/38,401.32 = 15,251.92/x
  3. Step 3: Cross multiply
    27,826.96x = 38,401.32 × 15,251.92
  4. Step 4: Simplify right side
    27,826.96x = 585,693,860.53
  5. Step 5: Solve for x
    x = 585,693,860.53/27,826.96
  6. Step 6: Final answer
    x = 21,047.71

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1.5x scale

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.