Home / 28,992.40-43,487.17-16,991.24

Finding the Fourth Proportional to 28,992.40, 43,487.17 and 16,991.24

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Solution

The fourth proportional to 28,992.40, 43,487.17 and 16,991.24 is: 25,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.40 : 43,487.17 = 16,991.24 : x
  2. Step 2: Convert to fraction form
    28,992.40/43,487.17 = 16,991.24/x
  3. Step 3: Cross multiply
    28,992.40x = 43,487.17 × 16,991.24
  4. Step 4: Simplify right side
    28,992.40x = 738,900,942.39
  5. Step 5: Solve for x
    x = 738,900,942.39/28,992.40
  6. Step 6: Final answer
    x = 25,486.02

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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.