Home / 18,679.09-27,881.91-16,464.82

Finding the Fourth Proportional to 18,679.09, 27,881.91 and 16,464.82

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Solution

The fourth proportional to 18,679.09, 27,881.91 and 16,464.82 is: 24,576.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.09 : 27,881.91 = 16,464.82 : x
  2. Step 2: Convert to fraction form
    18,679.09/27,881.91 = 16,464.82/x
  3. Step 3: Cross multiply
    18,679.09x = 27,881.91 × 16,464.82
  4. Step 4: Simplify right side
    18,679.09x = 459,070,629.41
  5. Step 5: Solve for x
    x = 459,070,629.41/18,679.09
  6. Step 6: Final answer
    x = 24,576.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.