Home / 26,012.80-39,001.92-11,217.88

Finding the Fourth Proportional to 26,012.80, 39,001.92 and 11,217.88

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Solution

The fourth proportional to 26,012.80, 39,001.92 and 11,217.88 is: 16,819.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,012.80 : 39,001.92 = 11,217.88 : x
  2. Step 2: Convert to fraction form
    26,012.80/39,001.92 = 11,217.88/x
  3. Step 3: Cross multiply
    26,012.80x = 39,001.92 × 11,217.88
  4. Step 4: Simplify right side
    26,012.80x = 437,518,858.33
  5. Step 5: Solve for x
    x = 437,518,858.33/26,012.80
  6. Step 6: Final answer
    x = 16,819.37

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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.