Home / 28,977.86-43,481.37-21,597.14

Finding the Fourth Proportional to 28,977.86, 43,481.37 and 21,597.14

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Solution

The fourth proportional to 28,977.86, 43,481.37 and 21,597.14 is: 32,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.86 : 43,481.37 = 21,597.14 : x
  2. Step 2: Convert to fraction form
    28,977.86/43,481.37 = 21,597.14/x
  3. Step 3: Cross multiply
    28,977.86x = 43,481.37 × 21,597.14
  4. Step 4: Simplify right side
    28,977.86x = 939,073,235.28
  5. Step 5: Solve for x
    x = 939,073,235.28/28,977.86
  6. Step 6: Final answer
    x = 32,406.58

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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.