Home / 28,908.02-43,362.02-8,131.52

Finding the Fourth Proportional to 28,908.02, 43,362.02 and 8,131.52

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Solution

The fourth proportional to 28,908.02, 43,362.02 and 8,131.52 is: 12,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908.02 : 43,362.02 = 8,131.52 : x
  2. Step 2: Convert to fraction form
    28,908.02/43,362.02 = 8,131.52/x
  3. Step 3: Cross multiply
    28,908.02x = 43,362.02 × 8,131.52
  4. Step 4: Simplify right side
    28,908.02x = 352,599,132.87
  5. Step 5: Solve for x
    x = 352,599,132.87/28,908.02
  6. Step 6: Final answer
    x = 12,197.28

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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.