Home / 26,712.52-40,065.72-6,992.98

Finding the Fourth Proportional to 26,712.52, 40,065.72 and 6,992.98

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Solution

The fourth proportional to 26,712.52, 40,065.72 and 6,992.98 is: 10,488.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.52 : 40,065.72 = 6,992.98 : x
  2. Step 2: Convert to fraction form
    26,712.52/40,065.72 = 6,992.98/x
  3. Step 3: Cross multiply
    26,712.52x = 40,065.72 × 6,992.98
  4. Step 4: Simplify right side
    26,712.52x = 280,178,778.65
  5. Step 5: Solve for x
    x = 280,178,778.65/26,712.52
  6. Step 6: Final answer
    x = 10,488.67

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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.