Home / 26,687.62-40,038.37-7,967.67

Finding the Fourth Proportional to 26,687.62, 40,038.37 and 7,967.67

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Solution

The fourth proportional to 26,687.62, 40,038.37 and 7,967.67 is: 11,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,687.62 : 40,038.37 = 7,967.67 : x
  2. Step 2: Convert to fraction form
    26,687.62/40,038.37 = 7,967.67/x
  3. Step 3: Cross multiply
    26,687.62x = 40,038.37 × 7,967.67
  4. Step 4: Simplify right side
    26,687.62x = 319,012,349.43
  5. Step 5: Solve for x
    x = 319,012,349.43/26,687.62
  6. Step 6: Final answer
    x = 11,953.57

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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.