Home / 28,795.71-43,121.46-18,233.87

Finding the Fourth Proportional to 28,795.71, 43,121.46 and 18,233.87

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Solution

The fourth proportional to 28,795.71, 43,121.46 and 18,233.87 is: 27,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.71 : 43,121.46 = 18,233.87 : x
  2. Step 2: Convert to fraction form
    28,795.71/43,121.46 = 18,233.87/x
  3. Step 3: Cross multiply
    28,795.71x = 43,121.46 × 18,233.87
  4. Step 4: Simplify right side
    28,795.71x = 786,270,880.24
  5. Step 5: Solve for x
    x = 786,270,880.24/28,795.71
  6. Step 6: Final answer
    x = 27,305.14

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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.