Home / 54,880.98-82,311.91-15,428.72

Finding the Fourth Proportional to 54,880.98, 82,311.91 and 15,428.72

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Solution

The fourth proportional to 54,880.98, 82,311.91 and 15,428.72 is: 23,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,880.98 : 82,311.91 = 15,428.72 : x
  2. Step 2: Convert to fraction form
    54,880.98/82,311.91 = 15,428.72/x
  3. Step 3: Cross multiply
    54,880.98x = 82,311.91 × 15,428.72
  4. Step 4: Simplify right side
    54,880.98x = 1,269,967,270.59
  5. Step 5: Solve for x
    x = 1,269,967,270.59/54,880.98
  6. Step 6: Final answer
    x = 23,140.39

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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.