Home / 26,930.48-37,161.60-19,860.80

Finding the Fourth Proportional to 26,930.48, 37,161.60 and 19,860.80

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Solution

The fourth proportional to 26,930.48, 37,161.60 and 19,860.80 is: 27,406.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,930.48 : 37,161.60 = 19,860.80 : x
  2. Step 2: Convert to fraction form
    26,930.48/37,161.60 = 19,860.80/x
  3. Step 3: Cross multiply
    26,930.48x = 37,161.60 × 19,860.80
  4. Step 4: Simplify right side
    26,930.48x = 738,059,105.28
  5. Step 5: Solve for x
    x = 738,059,105.28/26,930.48
  6. Step 6: Final answer
    x = 27,406.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.