Home / 28,736-43,035.60-14,661.44

Finding the Fourth Proportional to 28,736, 43,035.60 and 14,661.44

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Solution

The fourth proportional to 28,736, 43,035.60 and 14,661.44 is: 21,957.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,736 : 43,035.60 = 14,661.44 : x
  2. Step 2: Convert to fraction form
    28,736/43,035.60 = 14,661.44/x
  3. Step 3: Cross multiply
    28,736x = 43,035.60 × 14,661.44
  4. Step 4: Simplify right side
    28,736x = 630,963,867.26
  5. Step 5: Solve for x
    x = 630,963,867.26/28,736
  6. Step 6: Final answer
    x = 21,957.26

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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.