Home / 17,727.20-26,581.40-5,245.51

Finding the Fourth Proportional to 17,727.20, 26,581.40 and 5,245.51

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Solution

The fourth proportional to 17,727.20, 26,581.40 and 5,245.51 is: 7,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.20 : 26,581.40 = 5,245.51 : x
  2. Step 2: Convert to fraction form
    17,727.20/26,581.40 = 5,245.51/x
  3. Step 3: Cross multiply
    17,727.20x = 26,581.40 × 5,245.51
  4. Step 4: Simplify right side
    17,727.20x = 139,432,906.83
  5. Step 5: Solve for x
    x = 139,432,906.83/17,727.20
  6. Step 6: Final answer
    x = 7,865.48

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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.