Home / 28,731.06-43,096.51-7,954.50

Finding the Fourth Proportional to 28,731.06, 43,096.51 and 7,954.50

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Solution

The fourth proportional to 28,731.06, 43,096.51 and 7,954.50 is: 11,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731.06 : 43,096.51 = 7,954.50 : x
  2. Step 2: Convert to fraction form
    28,731.06/43,096.51 = 7,954.50/x
  3. Step 3: Cross multiply
    28,731.06x = 43,096.51 × 7,954.50
  4. Step 4: Simplify right side
    28,731.06x = 342,811,188.80
  5. Step 5: Solve for x
    x = 342,811,188.80/28,731.06
  6. Step 6: Final answer
    x = 11,931.73

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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.