Home / 28,452.87-42,676.57-12,658.17

Finding the Fourth Proportional to 28,452.87, 42,676.57 and 12,658.17

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Solution

The fourth proportional to 28,452.87, 42,676.57 and 12,658.17 is: 18,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,452.87 : 42,676.57 = 12,658.17 : x
  2. Step 2: Convert to fraction form
    28,452.87/42,676.57 = 12,658.17/x
  3. Step 3: Cross multiply
    28,452.87x = 42,676.57 × 12,658.17
  4. Step 4: Simplify right side
    28,452.87x = 540,207,453.94
  5. Step 5: Solve for x
    x = 540,207,453.94/28,452.87
  6. Step 6: Final answer
    x = 18,986.04

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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.