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Finding the Fourth Proportional to 21,736, 32,604 and 5,320

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Solution

The fourth proportional to 21,736, 32,604 and 5,320 is: 7,980

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,736 : 32,604 = 5,320 : x
  2. Step 2: Convert to fraction form
    21,736/32,604 = 5,320/x
  3. Step 3: Cross multiply
    21,736x = 32,604 × 5,320
  4. Step 4: Simplify right side
    21,736x = 173,453,280
  5. Step 5: Solve for x
    x = 173,453,280/21,736
  6. Step 6: Final answer
    x = 7,980

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.