Home / 26,822.64-40,203-19,696.80

Finding the Fourth Proportional to 26,822.64, 40,203 and 19,696.80

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Solution

The fourth proportional to 26,822.64, 40,203 and 19,696.80 is: 29,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.64 : 40,203 = 19,696.80 : x
  2. Step 2: Convert to fraction form
    26,822.64/40,203 = 19,696.80/x
  3. Step 3: Cross multiply
    26,822.64x = 40,203 × 19,696.80
  4. Step 4: Simplify right side
    26,822.64x = 791,870,450.40
  5. Step 5: Solve for x
    x = 791,870,450.40/26,822.64
  6. Step 6: Final answer
    x = 29,522.46

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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.