Home / 28,895.77-43,352.92-12,269.78

Finding the Fourth Proportional to 28,895.77, 43,352.92 and 12,269.78

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Solution

The fourth proportional to 28,895.77, 43,352.92 and 12,269.78 is: 18,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.77 : 43,352.92 = 12,269.78 : x
  2. Step 2: Convert to fraction form
    28,895.77/43,352.92 = 12,269.78/x
  3. Step 3: Cross multiply
    28,895.77x = 43,352.92 × 12,269.78
  4. Step 4: Simplify right side
    28,895.77x = 531,930,751.90
  5. Step 5: Solve for x
    x = 531,930,751.90/28,895.77
  6. Step 6: Final answer
    x = 18,408.60

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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.