Home / 26,843.75-40,266.46-12,805.30

Finding the Fourth Proportional to 26,843.75, 40,266.46 and 12,805.30

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Solution

The fourth proportional to 26,843.75, 40,266.46 and 12,805.30 is: 19,208.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.75 : 40,266.46 = 12,805.30 : x
  2. Step 2: Convert to fraction form
    26,843.75/40,266.46 = 12,805.30/x
  3. Step 3: Cross multiply
    26,843.75x = 40,266.46 × 12,805.30
  4. Step 4: Simplify right side
    26,843.75x = 515,623,898.91
  5. Step 5: Solve for x
    x = 515,623,898.91/26,843.75
  6. Step 6: Final answer
    x = 19,208.34

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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.