Home / 21,969.80-32,954.70-17,822.60

Finding the Fourth Proportional to 21,969.80, 32,954.70 and 17,822.60

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Solution

The fourth proportional to 21,969.80, 32,954.70 and 17,822.60 is: 26,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,969.80 : 32,954.70 = 17,822.60 : x
  2. Step 2: Convert to fraction form
    21,969.80/32,954.70 = 17,822.60/x
  3. Step 3: Cross multiply
    21,969.80x = 32,954.70 × 17,822.60
  4. Step 4: Simplify right side
    21,969.80x = 587,338,436.22
  5. Step 5: Solve for x
    x = 587,338,436.22/21,969.80
  6. Step 6: Final answer
    x = 26,733.90

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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.