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Finding the Fourth Proportional to 28,998, 43,497 and 7,110

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Solution

The fourth proportional to 28,998, 43,497 and 7,110 is: 10,665

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998 : 43,497 = 7,110 : x
  2. Step 2: Convert to fraction form
    28,998/43,497 = 7,110/x
  3. Step 3: Cross multiply
    28,998x = 43,497 × 7,110
  4. Step 4: Simplify right side
    28,998x = 309,263,670
  5. Step 5: Solve for x
    x = 309,263,670/28,998
  6. Step 6: Final answer
    x = 10,665

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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.