Home / 26,512.46-39,758.94-7,787.69

Finding the Fourth Proportional to 26,512.46, 39,758.94 and 7,787.69

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Solution

The fourth proportional to 26,512.46, 39,758.94 and 7,787.69 is: 11,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,512.46 : 39,758.94 = 7,787.69 : x
  2. Step 2: Convert to fraction form
    26,512.46/39,758.94 = 7,787.69/x
  3. Step 3: Cross multiply
    26,512.46x = 39,758.94 × 7,787.69
  4. Step 4: Simplify right side
    26,512.46x = 309,630,100.65
  5. Step 5: Solve for x
    x = 309,630,100.65/26,512.46
  6. Step 6: Final answer
    x = 11,678.67

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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.