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Finding the Fourth Proportional to 28,902, 43,353 and 7,014

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Solution

The fourth proportional to 28,902, 43,353 and 7,014 is: 10,521

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,902 : 43,353 = 7,014 : x
  2. Step 2: Convert to fraction form
    28,902/43,353 = 7,014/x
  3. Step 3: Cross multiply
    28,902x = 43,353 × 7,014
  4. Step 4: Simplify right side
    28,902x = 304,077,942
  5. Step 5: Solve for x
    x = 304,077,942/28,902
  6. Step 6: Final answer
    x = 10,521

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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.