Home / 28,824.40-43,236.60-8,047.90

Finding the Fourth Proportional to 28,824.40, 43,236.60 and 8,047.90

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Solution

The fourth proportional to 28,824.40, 43,236.60 and 8,047.90 is: 12,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.40 : 43,236.60 = 8,047.90 : x
  2. Step 2: Convert to fraction form
    28,824.40/43,236.60 = 8,047.90/x
  3. Step 3: Cross multiply
    28,824.40x = 43,236.60 × 8,047.90
  4. Step 4: Simplify right side
    28,824.40x = 347,963,833.14
  5. Step 5: Solve for x
    x = 347,963,833.14/28,824.40
  6. Step 6: Final answer
    x = 12,071.85

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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.