Home / 26,379.54-39,511.80-13,208.94

Finding the Fourth Proportional to 26,379.54, 39,511.80 and 13,208.94

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Solution

The fourth proportional to 26,379.54, 39,511.80 and 13,208.94 is: 19,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,379.54 : 39,511.80 = 13,208.94 : x
  2. Step 2: Convert to fraction form
    26,379.54/39,511.80 = 13,208.94/x
  3. Step 3: Cross multiply
    26,379.54x = 39,511.80 × 13,208.94
  4. Step 4: Simplify right side
    26,379.54x = 521,908,995.49
  5. Step 5: Solve for x
    x = 521,908,995.49/26,379.54
  6. Step 6: Final answer
    x = 19,784.61

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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.