Home / 27,400-37,811.92-14,824.72

Finding the Fourth Proportional to 27,400, 37,811.92 and 14,824.72

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Solution

The fourth proportional to 27,400, 37,811.92 and 14,824.72 is: 20,458.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,400 : 37,811.92 = 14,824.72 : x
  2. Step 2: Convert to fraction form
    27,400/37,811.92 = 14,824.72/x
  3. Step 3: Cross multiply
    27,400x = 37,811.92 × 14,824.72
  4. Step 4: Simplify right side
    27,400x = 560,551,126.66
  5. Step 5: Solve for x
    x = 560,551,126.66/27,400
  6. Step 6: Final answer
    x = 20,458.07

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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.