Home / 28,898.20-43,358.10-11,380.24

Finding the Fourth Proportional to 28,898.20, 43,358.10 and 11,380.24

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Solution

The fourth proportional to 28,898.20, 43,358.10 and 11,380.24 is: 17,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.20 : 43,358.10 = 11,380.24 : x
  2. Step 2: Convert to fraction form
    28,898.20/43,358.10 = 11,380.24/x
  3. Step 3: Cross multiply
    28,898.20x = 43,358.10 × 11,380.24
  4. Step 4: Simplify right side
    28,898.20x = 493,425,583.94
  5. Step 5: Solve for x
    x = 493,425,583.94/28,898.20
  6. Step 6: Final answer
    x = 17,074.61

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1.5x scale

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.