Home / 26,918.50-40,384.24-8,450.50

Finding the Fourth Proportional to 26,918.50, 40,384.24 and 8,450.50

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Solution

The fourth proportional to 26,918.50, 40,384.24 and 8,450.50 is: 12,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.50 : 40,384.24 = 8,450.50 : x
  2. Step 2: Convert to fraction form
    26,918.50/40,384.24 = 8,450.50/x
  3. Step 3: Cross multiply
    26,918.50x = 40,384.24 × 8,450.50
  4. Step 4: Simplify right side
    26,918.50x = 341,267,020.12
  5. Step 5: Solve for x
    x = 341,267,020.12/26,918.50
  6. Step 6: Final answer
    x = 12,677.79

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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.