Home / 21,744.08-32,629.12-7,894.16

Finding the Fourth Proportional to 21,744.08, 32,629.12 and 7,894.16

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Solution

The fourth proportional to 21,744.08, 32,629.12 and 7,894.16 is: 11,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,744.08 : 32,629.12 = 7,894.16 : x
  2. Step 2: Convert to fraction form
    21,744.08/32,629.12 = 7,894.16/x
  3. Step 3: Cross multiply
    21,744.08x = 32,629.12 × 7,894.16
  4. Step 4: Simplify right side
    21,744.08x = 257,579,493.94
  5. Step 5: Solve for x
    x = 257,579,493.94/21,744.08
  6. Step 6: Final answer
    x = 11,845.96

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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.