Home / 26,855.97-40,284.76-12,817.48

Finding the Fourth Proportional to 26,855.97, 40,284.76 and 12,817.48

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Solution

The fourth proportional to 26,855.97, 40,284.76 and 12,817.48 is: 19,226.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.97 : 40,284.76 = 12,817.48 : x
  2. Step 2: Convert to fraction form
    26,855.97/40,284.76 = 12,817.48/x
  3. Step 3: Cross multiply
    26,855.97x = 40,284.76 × 12,817.48
  4. Step 4: Simplify right side
    26,855.97x = 516,349,073.56
  5. Step 5: Solve for x
    x = 516,349,073.56/26,855.97
  6. Step 6: Final answer
    x = 19,226.60

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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.