Home / 26,821.89-40,201.88-19,696.05

Finding the Fourth Proportional to 26,821.89, 40,201.88 and 19,696.05

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Solution

The fourth proportional to 26,821.89, 40,201.88 and 19,696.05 is: 29,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,821.89 : 40,201.88 = 19,696.05 : x
  2. Step 2: Convert to fraction form
    26,821.89/40,201.88 = 19,696.05/x
  3. Step 3: Cross multiply
    26,821.89x = 40,201.88 × 19,696.05
  4. Step 4: Simplify right side
    26,821.89x = 791,818,140.09
  5. Step 5: Solve for x
    x = 791,818,140.09/26,821.89
  6. Step 6: Final answer
    x = 29,521.34

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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.