Home / 26,321.09-39,467.66-13,809.83

Finding the Fourth Proportional to 26,321.09, 39,467.66 and 13,809.83

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Solution

The fourth proportional to 26,321.09, 39,467.66 and 13,809.83 is: 20,707.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,321.09 : 39,467.66 = 13,809.83 : x
  2. Step 2: Convert to fraction form
    26,321.09/39,467.66 = 13,809.83/x
  3. Step 3: Cross multiply
    26,321.09x = 39,467.66 × 13,809.83
  4. Step 4: Simplify right side
    26,321.09x = 545,041,408.71
  5. Step 5: Solve for x
    x = 545,041,408.71/26,321.09
  6. Step 6: Final answer
    x = 20,707.41

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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.