Home / 28,981.08-43,450.32-9,248.28

Finding the Fourth Proportional to 28,981.08, 43,450.32 and 9,248.28

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Solution

The fourth proportional to 28,981.08, 43,450.32 and 9,248.28 is: 13,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.08 : 43,450.32 = 9,248.28 : x
  2. Step 2: Convert to fraction form
    28,981.08/43,450.32 = 9,248.28/x
  3. Step 3: Cross multiply
    28,981.08x = 43,450.32 × 9,248.28
  4. Step 4: Simplify right side
    28,981.08x = 401,840,725.45
  5. Step 5: Solve for x
    x = 401,840,725.45/28,981.08
  6. Step 6: Final answer
    x = 13,865.62

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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.