Home / 25,284.10-37,930.60-8,640.22

Finding the Fourth Proportional to 25,284.10, 37,930.60 and 8,640.22

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Solution

The fourth proportional to 25,284.10, 37,930.60 and 8,640.22 is: 12,961.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.10 : 37,930.60 = 8,640.22 : x
  2. Step 2: Convert to fraction form
    25,284.10/37,930.60 = 8,640.22/x
  3. Step 3: Cross multiply
    25,284.10x = 37,930.60 × 8,640.22
  4. Step 4: Simplify right side
    25,284.10x = 327,728,728.73
  5. Step 5: Solve for x
    x = 327,728,728.73/25,284.10
  6. Step 6: Final answer
    x = 12,961.85

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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.