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Finding the Fourth Proportional to 28,810, 43,216.62 and 8,035.12

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Solution

The fourth proportional to 28,810, 43,216.62 and 8,035.12 is: 12,053.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810 : 43,216.62 = 8,035.12 : x
  2. Step 2: Convert to fraction form
    28,810/43,216.62 = 8,035.12/x
  3. Step 3: Cross multiply
    28,810x = 43,216.62 × 8,035.12
  4. Step 4: Simplify right side
    28,810x = 347,250,727.69
  5. Step 5: Solve for x
    x = 347,250,727.69/28,810
  6. Step 6: Final answer
    x = 12,053.13

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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.