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Finding the Fourth Proportional to 43,688, 65,532 and 14,504

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Solution

The fourth proportional to 43,688, 65,532 and 14,504 is: 21,756

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,688 : 65,532 = 14,504 : x
  2. Step 2: Convert to fraction form
    43,688/65,532 = 14,504/x
  3. Step 3: Cross multiply
    43,688x = 65,532 × 14,504
  4. Step 4: Simplify right side
    43,688x = 950,476,128
  5. Step 5: Solve for x
    x = 950,476,128/43,688
  6. Step 6: Final answer
    x = 21,756

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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.