Home / 28,977.20-43,530.60-27,796.40

Finding the Fourth Proportional to 28,977.20, 43,530.60 and 27,796.40

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Solution

The fourth proportional to 28,977.20, 43,530.60 and 27,796.40 is: 41,756.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.20 : 43,530.60 = 27,796.40 : x
  2. Step 2: Convert to fraction form
    28,977.20/43,530.60 = 27,796.40/x
  3. Step 3: Cross multiply
    28,977.20x = 43,530.60 × 27,796.40
  4. Step 4: Simplify right side
    28,977.20x = 1,209,993,969.84
  5. Step 5: Solve for x
    x = 1,209,993,969.84/28,977.20
  6. Step 6: Final answer
    x = 41,756.76

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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.