Home / 28,977.20-43,469.04-10,504.88

Finding the Fourth Proportional to 28,977.20, 43,469.04 and 10,504.88

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Solution

The fourth proportional to 28,977.20, 43,469.04 and 10,504.88 is: 15,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.20 : 43,469.04 = 10,504.88 : x
  2. Step 2: Convert to fraction form
    28,977.20/43,469.04 = 10,504.88/x
  3. Step 3: Cross multiply
    28,977.20x = 43,469.04 × 10,504.88
  4. Step 4: Simplify right side
    28,977.20x = 456,637,048.92
  5. Step 5: Solve for x
    x = 456,637,048.92/28,977.20
  6. Step 6: Final answer
    x = 15,758.49

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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.