Home / 28,981.10-43,450.38-9,248.28

Finding the Fourth Proportional to 28,981.10, 43,450.38 and 9,248.28

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Solution

The fourth proportional to 28,981.10, 43,450.38 and 9,248.28 is: 13,865.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.10 : 43,450.38 = 9,248.28 : x
  2. Step 2: Convert to fraction form
    28,981.10/43,450.38 = 9,248.28/x
  3. Step 3: Cross multiply
    28,981.10x = 43,450.38 × 9,248.28
  4. Step 4: Simplify right side
    28,981.10x = 401,841,280.35
  5. Step 5: Solve for x
    x = 401,841,280.35/28,981.10
  6. Step 6: Final answer
    x = 13,865.63

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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.