Home / 26,986.82-40,485.09-12,934.94

Finding the Fourth Proportional to 26,986.82, 40,485.09 and 12,934.94

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Solution

The fourth proportional to 26,986.82, 40,485.09 and 12,934.94 is: 19,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.82 : 40,485.09 = 12,934.94 : x
  2. Step 2: Convert to fraction form
    26,986.82/40,485.09 = 12,934.94/x
  3. Step 3: Cross multiply
    26,986.82x = 40,485.09 × 12,934.94
  4. Step 4: Simplify right side
    26,986.82x = 523,672,210.04
  5. Step 5: Solve for x
    x = 523,672,210.04/26,986.82
  6. Step 6: Final answer
    x = 19,404.74

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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.