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Finding the Fourth Proportional to 28,938, 43,407 and 7,050

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Solution

The fourth proportional to 28,938, 43,407 and 7,050 is: 10,575

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,938 : 43,407 = 7,050 : x
  2. Step 2: Convert to fraction form
    28,938/43,407 = 7,050/x
  3. Step 3: Cross multiply
    28,938x = 43,407 × 7,050
  4. Step 4: Simplify right side
    28,938x = 306,019,350
  5. Step 5: Solve for x
    x = 306,019,350/28,938
  6. Step 6: Final answer
    x = 10,575

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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.