Home / 28,976.86-43,479.87-21,596.14

Finding the Fourth Proportional to 28,976.86, 43,479.87 and 21,596.14

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Solution

The fourth proportional to 28,976.86, 43,479.87 and 21,596.14 is: 32,405.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.86 : 43,479.87 = 21,596.14 : x
  2. Step 2: Convert to fraction form
    28,976.86/43,479.87 = 21,596.14/x
  3. Step 3: Cross multiply
    28,976.86x = 43,479.87 × 21,596.14
  4. Step 4: Simplify right side
    28,976.86x = 938,997,359.70
  5. Step 5: Solve for x
    x = 938,997,359.70/28,976.86
  6. Step 6: Final answer
    x = 32,405.08

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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.