Home / 26,267.69-39,379.37-12,220.47

Finding the Fourth Proportional to 26,267.69, 39,379.37 and 12,220.47

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Solution

The fourth proportional to 26,267.69, 39,379.37 and 12,220.47 is: 18,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,267.69 : 39,379.37 = 12,220.47 : x
  2. Step 2: Convert to fraction form
    26,267.69/39,379.37 = 12,220.47/x
  3. Step 3: Cross multiply
    26,267.69x = 39,379.37 × 12,220.47
  4. Step 4: Simplify right side
    26,267.69x = 481,234,348.60
  5. Step 5: Solve for x
    x = 481,234,348.60/26,267.69
  6. Step 6: Final answer
    x = 18,320.39

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1.5x scale

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.