Home / 21,968.69-32,945.09-7,924.95

Finding the Fourth Proportional to 21,968.69, 32,945.09 and 7,924.95

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Solution

The fourth proportional to 21,968.69, 32,945.09 and 7,924.95 is: 11,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.69 : 32,945.09 = 7,924.95 : x
  2. Step 2: Convert to fraction form
    21,968.69/32,945.09 = 7,924.95/x
  3. Step 3: Cross multiply
    21,968.69x = 32,945.09 × 7,924.95
  4. Step 4: Simplify right side
    21,968.69x = 261,088,191.00
  5. Step 5: Solve for x
    x = 261,088,191.00/21,968.69
  6. Step 6: Final answer
    x = 11,884.56

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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.