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Finding the Fourth Proportional to 43,807.29, 60,480.84 and 28,508.41

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Solution

The fourth proportional to 43,807.29, 60,480.84 and 28,508.41 is: 39,359.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,807.29 : 60,480.84 = 28,508.41 : x
  2. Step 2: Convert to fraction form
    43,807.29/60,480.84 = 28,508.41/x
  3. Step 3: Cross multiply
    43,807.29x = 60,480.84 × 28,508.41
  4. Step 4: Simplify right side
    43,807.29x = 1,724,212,583.86
  5. Step 5: Solve for x
    x = 1,724,212,583.86/43,807.29
  6. Step 6: Final answer
    x = 39,359.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.