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Finding the Fourth Proportional to 29,088, 43,632 and 10,620

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Solution

The fourth proportional to 29,088, 43,632 and 10,620 is: 15,930

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,088 : 43,632 = 10,620 : x
  2. Step 2: Convert to fraction form
    29,088/43,632 = 10,620/x
  3. Step 3: Cross multiply
    29,088x = 43,632 × 10,620
  4. Step 4: Simplify right side
    29,088x = 463,371,840
  5. Step 5: Solve for x
    x = 463,371,840/29,088
  6. Step 6: Final answer
    x = 15,930

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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.