Home / 28,469.44-42,682.20-10,699.72

Finding the Fourth Proportional to 28,469.44, 42,682.20 and 10,699.72

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Solution

The fourth proportional to 28,469.44, 42,682.20 and 10,699.72 is: 16,041.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.44 : 42,682.20 = 10,699.72 : x
  2. Step 2: Convert to fraction form
    28,469.44/42,682.20 = 10,699.72/x
  3. Step 3: Cross multiply
    28,469.44x = 42,682.20 × 10,699.72
  4. Step 4: Simplify right side
    28,469.44x = 456,687,588.98
  5. Step 5: Solve for x
    x = 456,687,588.98/28,469.44
  6. Step 6: Final answer
    x = 16,041.33

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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.