Home / 18,330.20-27,568.20-16,434.80

Finding the Fourth Proportional to 18,330.20, 27,568.20 and 16,434.80

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Solution

The fourth proportional to 18,330.20, 27,568.20 and 16,434.80 is: 24,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.20 : 27,568.20 = 16,434.80 : x
  2. Step 2: Convert to fraction form
    18,330.20/27,568.20 = 16,434.80/x
  3. Step 3: Cross multiply
    18,330.20x = 27,568.20 × 16,434.80
  4. Step 4: Simplify right side
    18,330.20x = 453,077,853.36
  5. Step 5: Solve for x
    x = 453,077,853.36/18,330.20
  6. Step 6: Final answer
    x = 24,717.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.