Home / 26,660.26-40,015-13,521.86

Finding the Fourth Proportional to 26,660.26, 40,015 and 13,521.86

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Solution

The fourth proportional to 26,660.26, 40,015 and 13,521.86 is: 20,295.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.26 : 40,015 = 13,521.86 : x
  2. Step 2: Convert to fraction form
    26,660.26/40,015 = 13,521.86/x
  3. Step 3: Cross multiply
    26,660.26x = 40,015 × 13,521.86
  4. Step 4: Simplify right side
    26,660.26x = 541,077,227.90
  5. Step 5: Solve for x
    x = 541,077,227.90/26,660.26
  6. Step 6: Final answer
    x = 20,295.27

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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.