Home / 28,228.44-42,343.68-10,699.56

Finding the Fourth Proportional to 28,228.44, 42,343.68 and 10,699.56

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Solution

The fourth proportional to 28,228.44, 42,343.68 and 10,699.56 is: 16,049.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,228.44 : 42,343.68 = 10,699.56 : x
  2. Step 2: Convert to fraction form
    28,228.44/42,343.68 = 10,699.56/x
  3. Step 3: Cross multiply
    28,228.44x = 42,343.68 × 10,699.56
  4. Step 4: Simplify right side
    28,228.44x = 453,058,744.78
  5. Step 5: Solve for x
    x = 453,058,744.78/28,228.44
  6. Step 6: Final answer
    x = 16,049.73

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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.