Home / 26,855.85-40,284.57-12,817.36

Finding the Fourth Proportional to 26,855.85, 40,284.57 and 12,817.36

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Solution

The fourth proportional to 26,855.85, 40,284.57 and 12,817.36 is: 19,226.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,855.85 : 40,284.57 = 12,817.36 : x
  2. Step 2: Convert to fraction form
    26,855.85/40,284.57 = 12,817.36/x
  3. Step 3: Cross multiply
    26,855.85x = 40,284.57 × 12,817.36
  4. Step 4: Simplify right side
    26,855.85x = 516,341,634.71
  5. Step 5: Solve for x
    x = 516,341,634.71/26,855.85
  6. Step 6: Final answer
    x = 19,226.41

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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.