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Finding the Fourth Proportional to 14,432, 21,648 and 3,488

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Solution

The fourth proportional to 14,432, 21,648 and 3,488 is: 5,232

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432 : 21,648 = 3,488 : x
  2. Step 2: Convert to fraction form
    14,432/21,648 = 3,488/x
  3. Step 3: Cross multiply
    14,432x = 21,648 × 3,488
  4. Step 4: Simplify right side
    14,432x = 75,508,224
  5. Step 5: Solve for x
    x = 75,508,224/14,432
  6. Step 6: Final answer
    x = 5,232

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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.