Home / 28,446.75-42,674.18-15,116.27

Finding the Fourth Proportional to 28,446.75, 42,674.18 and 15,116.27

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Solution

The fourth proportional to 28,446.75, 42,674.18 and 15,116.27 is: 22,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446.75 : 42,674.18 = 15,116.27 : x
  2. Step 2: Convert to fraction form
    28,446.75/42,674.18 = 15,116.27/x
  3. Step 3: Cross multiply
    28,446.75x = 42,674.18 × 15,116.27
  4. Step 4: Simplify right side
    28,446.75x = 645,074,137.96
  5. Step 5: Solve for x
    x = 645,074,137.96/28,446.75
  6. Step 6: Final answer
    x = 22,676.55

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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.