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Finding the Fourth Proportional to 19,296, 28,944 and 4,704

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Solution

The fourth proportional to 19,296, 28,944 and 4,704 is: 7,056

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296 : 28,944 = 4,704 : x
  2. Step 2: Convert to fraction form
    19,296/28,944 = 4,704/x
  3. Step 3: Cross multiply
    19,296x = 28,944 × 4,704
  4. Step 4: Simplify right side
    19,296x = 136,152,576
  5. Step 5: Solve for x
    x = 136,152,576/19,296
  6. Step 6: Final answer
    x = 7,056

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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.