Home / 26,851.24-40,215.52-12,821.14

Finding the Fourth Proportional to 26,851.24, 40,215.52 and 12,821.14

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Solution

The fourth proportional to 26,851.24, 40,215.52 and 12,821.14 is: 19,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.24 : 40,215.52 = 12,821.14 : x
  2. Step 2: Convert to fraction form
    26,851.24/40,215.52 = 12,821.14/x
  3. Step 3: Cross multiply
    26,851.24x = 40,215.52 × 12,821.14
  4. Step 4: Simplify right side
    26,851.24x = 515,608,812.09
  5. Step 5: Solve for x
    x = 515,608,812.09/26,851.24
  6. Step 6: Final answer
    x = 19,202.42

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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.