Home / 28,823.85-43,221.20-8,827.38

Finding the Fourth Proportional to 28,823.85, 43,221.20 and 8,827.38

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Solution

The fourth proportional to 28,823.85, 43,221.20 and 8,827.38 is: 13,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,823.85 : 43,221.20 = 8,827.38 : x
  2. Step 2: Convert to fraction form
    28,823.85/43,221.20 = 8,827.38/x
  3. Step 3: Cross multiply
    28,823.85x = 43,221.20 × 8,827.38
  4. Step 4: Simplify right side
    28,823.85x = 381,529,912.32
  5. Step 5: Solve for x
    x = 381,529,912.32/28,823.85
  6. Step 6: Final answer
    x = 13,236.60

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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.