Home / 57,257.92-85,896.02-17,824.12

Finding the Fourth Proportional to 57,257.92, 85,896.02 and 17,824.12

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Solution

The fourth proportional to 57,257.92, 85,896.02 and 17,824.12 is: 26,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.92 : 85,896.02 = 17,824.12 : x
  2. Step 2: Convert to fraction form
    57,257.92/85,896.02 = 17,824.12/x
  3. Step 3: Cross multiply
    57,257.92x = 85,896.02 × 17,824.12
  4. Step 4: Simplify right side
    57,257.92x = 1,531,020,968.00
  5. Step 5: Solve for x
    x = 1,531,020,968.00/57,257.92
  6. Step 6: Final answer
    x = 26,739.03

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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.