Home / 26,537.35-39,815.59-13,379.81

Finding the Fourth Proportional to 26,537.35, 39,815.59 and 13,379.81

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Solution

The fourth proportional to 26,537.35, 39,815.59 and 13,379.81 is: 20,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,537.35 : 39,815.59 = 13,379.81 : x
  2. Step 2: Convert to fraction form
    26,537.35/39,815.59 = 13,379.81/x
  3. Step 3: Cross multiply
    26,537.35x = 39,815.59 × 13,379.81
  4. Step 4: Simplify right side
    26,537.35x = 532,724,914.96
  5. Step 5: Solve for x
    x = 532,724,914.96/26,537.35
  6. Step 6: Final answer
    x = 20,074.54

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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.