Home / 18,977.72-28,466.61-5,830.00

Finding the Fourth Proportional to 18,977.72, 28,466.61 and 5,830.00

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Solution

The fourth proportional to 18,977.72, 28,466.61 and 5,830.00 is: 8,745.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.72 : 28,466.61 = 5,830.00 : x
  2. Step 2: Convert to fraction form
    18,977.72/28,466.61 = 5,830.00/x
  3. Step 3: Cross multiply
    18,977.72x = 28,466.61 × 5,830.00
  4. Step 4: Simplify right side
    18,977.72x = 165,960,243.27
  5. Step 5: Solve for x
    x = 165,960,243.27/18,977.72
  6. Step 6: Final answer
    x = 8,745.01

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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.