Home / 27,099.21-40,622.39-11,308.79

Finding the Fourth Proportional to 27,099.21, 40,622.39 and 11,308.79

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Solution

The fourth proportional to 27,099.21, 40,622.39 and 11,308.79 is: 16,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,099.21 : 40,622.39 = 11,308.79 : x
  2. Step 2: Convert to fraction form
    27,099.21/40,622.39 = 11,308.79/x
  3. Step 3: Cross multiply
    27,099.21x = 40,622.39 × 11,308.79
  4. Step 4: Simplify right side
    27,099.21x = 459,389,818.15
  5. Step 5: Solve for x
    x = 459,389,818.15/27,099.21
  6. Step 6: Final answer
    x = 16,952.15

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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.