Home / 21,548.45-32,326.11-7,512.51

Finding the Fourth Proportional to 21,548.45, 32,326.11 and 7,512.51

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Solution

The fourth proportional to 21,548.45, 32,326.11 and 7,512.51 is: 11,269.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.45 : 32,326.11 = 7,512.51 : x
  2. Step 2: Convert to fraction form
    21,548.45/32,326.11 = 7,512.51/x
  3. Step 3: Cross multiply
    21,548.45x = 32,326.11 × 7,512.51
  4. Step 4: Simplify right side
    21,548.45x = 242,850,224.64
  5. Step 5: Solve for x
    x = 242,850,224.64/21,548.45
  6. Step 6: Final answer
    x = 11,269.97

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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.