Home / 26,918.30-40,328.85-23,807.90

Finding the Fourth Proportional to 26,918.30, 40,328.85 and 23,807.90

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Solution

The fourth proportional to 26,918.30, 40,328.85 and 23,807.90 is: 35,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.30 : 40,328.85 = 23,807.90 : x
  2. Step 2: Convert to fraction form
    26,918.30/40,328.85 = 23,807.90/x
  3. Step 3: Cross multiply
    26,918.30x = 40,328.85 × 23,807.90
  4. Step 4: Simplify right side
    26,918.30x = 960,145,227.92
  5. Step 5: Solve for x
    x = 960,145,227.92/26,918.30
  6. Step 6: Final answer
    x = 35,668.87

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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.