Home / 27,911-38,517.46-15,336.02

Finding the Fourth Proportional to 27,911, 38,517.46 and 15,336.02

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Solution

The fourth proportional to 27,911, 38,517.46 and 15,336.02 is: 21,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911 : 38,517.46 = 15,336.02 : x
  2. Step 2: Convert to fraction form
    27,911/38,517.46 = 15,336.02/x
  3. Step 3: Cross multiply
    27,911x = 38,517.46 × 15,336.02
  4. Step 4: Simplify right side
    27,911x = 590,704,536.91
  5. Step 5: Solve for x
    x = 590,704,536.91/27,911
  6. Step 6: Final answer
    x = 21,163.86

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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.