Home / 21,968.82-32,958.23-7,177.55

Finding the Fourth Proportional to 21,968.82, 32,958.23 and 7,177.55

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Solution

The fourth proportional to 21,968.82, 32,958.23 and 7,177.55 is: 10,767.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.82 : 32,958.23 = 7,177.55 : x
  2. Step 2: Convert to fraction form
    21,968.82/32,958.23 = 7,177.55/x
  3. Step 3: Cross multiply
    21,968.82x = 32,958.23 × 7,177.55
  4. Step 4: Simplify right side
    21,968.82x = 236,559,143.06
  5. Step 5: Solve for x
    x = 236,559,143.06/21,968.82
  6. Step 6: Final answer
    x = 10,767.95

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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.