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Finding the Fourth Proportional to 34,338.64, 51,410.80 and 21,827.68

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Solution

The fourth proportional to 34,338.64, 51,410.80 and 21,827.68 is: 32,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.64 : 51,410.80 = 21,827.68 : x
  2. Step 2: Convert to fraction form
    34,338.64/51,410.80 = 21,827.68/x
  3. Step 3: Cross multiply
    34,338.64x = 51,410.80 × 21,827.68
  4. Step 4: Simplify right side
    34,338.64x = 1,122,178,490.94
  5. Step 5: Solve for x
    x = 1,122,178,490.94/34,338.64
  6. Step 6: Final answer
    x = 32,679.76

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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.