Home / 28,325.62-42,488.67-8,604.19

Finding the Fourth Proportional to 28,325.62, 42,488.67 and 8,604.19

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Solution

The fourth proportional to 28,325.62, 42,488.67 and 8,604.19 is: 12,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,325.62 : 42,488.67 = 8,604.19 : x
  2. Step 2: Convert to fraction form
    28,325.62/42,488.67 = 8,604.19/x
  3. Step 3: Cross multiply
    28,325.62x = 42,488.67 × 8,604.19
  4. Step 4: Simplify right side
    28,325.62x = 365,580,589.53
  5. Step 5: Solve for x
    x = 365,580,589.53/28,325.62
  6. Step 6: Final answer
    x = 12,906.36

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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.