Home / 26,849.84-40,271.67-7,129.94

Finding the Fourth Proportional to 26,849.84, 40,271.67 and 7,129.94

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Solution

The fourth proportional to 26,849.84, 40,271.67 and 7,129.94 is: 10,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,849.84 : 40,271.67 = 7,129.94 : x
  2. Step 2: Convert to fraction form
    26,849.84/40,271.67 = 7,129.94/x
  3. Step 3: Cross multiply
    26,849.84x = 40,271.67 × 7,129.94
  4. Step 4: Simplify right side
    26,849.84x = 287,134,590.80
  5. Step 5: Solve for x
    x = 287,134,590.80/26,849.84
  6. Step 6: Final answer
    x = 10,694.09

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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.