Home / 26,604.62-39,912.80-7,886.15

Finding the Fourth Proportional to 26,604.62, 39,912.80 and 7,886.15

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Solution

The fourth proportional to 26,604.62, 39,912.80 and 7,886.15 is: 11,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,604.62 : 39,912.80 = 7,886.15 : x
  2. Step 2: Convert to fraction form
    26,604.62/39,912.80 = 7,886.15/x
  3. Step 3: Cross multiply
    26,604.62x = 39,912.80 × 7,886.15
  4. Step 4: Simplify right side
    26,604.62x = 314,758,088.73
  5. Step 5: Solve for x
    x = 314,758,088.73/26,604.62
  6. Step 6: Final answer
    x = 11,830.96

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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.