Home / 28,974.96-43,469.22-8,983.40

Finding the Fourth Proportional to 28,974.96, 43,469.22 and 8,983.40

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Solution

The fourth proportional to 28,974.96, 43,469.22 and 8,983.40 is: 13,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,974.96 : 43,469.22 = 8,983.40 : x
  2. Step 2: Convert to fraction form
    28,974.96/43,469.22 = 8,983.40/x
  3. Step 3: Cross multiply
    28,974.96x = 43,469.22 × 8,983.40
  4. Step 4: Simplify right side
    28,974.96x = 390,501,390.95
  5. Step 5: Solve for x
    x = 390,501,390.95/28,974.96
  6. Step 6: Final answer
    x = 13,477.20

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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.