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Finding the Fourth Proportional to 19,322.01, 28,987.07 and 8,229.06

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Solution

The fourth proportional to 19,322.01, 28,987.07 and 8,229.06 is: 12,345.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.01 : 28,987.07 = 8,229.06 : x
  2. Step 2: Convert to fraction form
    19,322.01/28,987.07 = 8,229.06/x
  3. Step 3: Cross multiply
    19,322.01x = 28,987.07 × 8,229.06
  4. Step 4: Simplify right side
    19,322.01x = 238,536,297.11
  5. Step 5: Solve for x
    x = 238,536,297.11/19,322.01
  6. Step 6: Final answer
    x = 12,345.31

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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.