Home / 26,149.15-39,161.76-19,901.62

Finding the Fourth Proportional to 26,149.15, 39,161.76 and 19,901.62

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Solution

The fourth proportional to 26,149.15, 39,161.76 and 19,901.62 is: 29,805.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,149.15 : 39,161.76 = 19,901.62 : x
  2. Step 2: Convert to fraction form
    26,149.15/39,161.76 = 19,901.62/x
  3. Step 3: Cross multiply
    26,149.15x = 39,161.76 × 19,901.62
  4. Step 4: Simplify right side
    26,149.15x = 779,382,466.05
  5. Step 5: Solve for x
    x = 779,382,466.05/26,149.15
  6. Step 6: Final answer
    x = 29,805.27

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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.