Home / 28,986.48-43,449.66-16,479.60

Finding the Fourth Proportional to 28,986.48, 43,449.66 and 16,479.60

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Solution

The fourth proportional to 28,986.48, 43,449.66 and 16,479.60 is: 24,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.48 : 43,449.66 = 16,479.60 : x
  2. Step 2: Convert to fraction form
    28,986.48/43,449.66 = 16,479.60/x
  3. Step 3: Cross multiply
    28,986.48x = 43,449.66 × 16,479.60
  4. Step 4: Simplify right side
    28,986.48x = 716,033,016.94
  5. Step 5: Solve for x
    x = 716,033,016.94/28,986.48
  6. Step 6: Final answer
    x = 24,702.31

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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.