Home / 26,688.30-40,033.26-9,157.88

Finding the Fourth Proportional to 26,688.30, 40,033.26 and 9,157.88

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Solution

The fourth proportional to 26,688.30, 40,033.26 and 9,157.88 is: 13,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,688.30 : 40,033.26 = 9,157.88 : x
  2. Step 2: Convert to fraction form
    26,688.30/40,033.26 = 9,157.88/x
  3. Step 3: Cross multiply
    26,688.30x = 40,033.26 × 9,157.88
  4. Step 4: Simplify right side
    26,688.30x = 366,619,590.92
  5. Step 5: Solve for x
    x = 366,619,590.92/26,688.30
  6. Step 6: Final answer
    x = 13,737.09

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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.