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Finding the Fourth Proportional to 19,930.35, 29,888.54 and 5,886.63

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Solution

The fourth proportional to 19,930.35, 29,888.54 and 5,886.63 is: 8,827.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.35 : 29,888.54 = 5,886.63 : x
  2. Step 2: Convert to fraction form
    19,930.35/29,888.54 = 5,886.63/x
  3. Step 3: Cross multiply
    19,930.35x = 29,888.54 × 5,886.63
  4. Step 4: Simplify right side
    19,930.35x = 175,942,776.22
  5. Step 5: Solve for x
    x = 175,942,776.22/19,930.35
  6. Step 6: Final answer
    x = 8,827.88

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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.