Home / 26,660.44-40,015.04-13,521.88

Finding the Fourth Proportional to 26,660.44, 40,015.04 and 13,521.88

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Solution

The fourth proportional to 26,660.44, 40,015.04 and 13,521.88 is: 20,295.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,660.44 : 40,015.04 = 13,521.88 : x
  2. Step 2: Convert to fraction form
    26,660.44/40,015.04 = 13,521.88/x
  3. Step 3: Cross multiply
    26,660.44x = 40,015.04 × 13,521.88
  4. Step 4: Simplify right side
    26,660.44x = 541,078,569.08
  5. Step 5: Solve for x
    x = 541,078,569.08/26,660.44
  6. Step 6: Final answer
    x = 20,295.19

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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.