Home / 28,183.98-38,900.88-16,254.48

Finding the Fourth Proportional to 28,183.98, 38,900.88 and 16,254.48

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Solution

The fourth proportional to 28,183.98, 38,900.88 and 16,254.48 is: 22,435.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.98 : 38,900.88 = 16,254.48 : x
  2. Step 2: Convert to fraction form
    28,183.98/38,900.88 = 16,254.48/x
  3. Step 3: Cross multiply
    28,183.98x = 38,900.88 × 16,254.48
  4. Step 4: Simplify right side
    28,183.98x = 632,313,575.94
  5. Step 5: Solve for x
    x = 632,313,575.94/28,183.98
  6. Step 6: Final answer
    x = 22,435.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.