Home / 27,757.11-38,303.85-15,824.29

Finding the Fourth Proportional to 27,757.11, 38,303.85 and 15,824.29

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Solution

The fourth proportional to 27,757.11, 38,303.85 and 15,824.29 is: 21,836.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.11 : 38,303.85 = 15,824.29 : x
  2. Step 2: Convert to fraction form
    27,757.11/38,303.85 = 15,824.29/x
  3. Step 3: Cross multiply
    27,757.11x = 38,303.85 × 15,824.29
  4. Step 4: Simplify right side
    27,757.11x = 606,131,230.52
  5. Step 5: Solve for x
    x = 606,131,230.52/27,757.11
  6. Step 6: Final answer
    x = 21,836.97

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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.