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Finding the Fourth Proportional to 19,325.25, 28,991.52 and 8,937

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Solution

The fourth proportional to 19,325.25, 28,991.52 and 8,937 is: 13,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.25 : 28,991.52 = 8,937 : x
  2. Step 2: Convert to fraction form
    19,325.25/28,991.52 = 8,937/x
  3. Step 3: Cross multiply
    19,325.25x = 28,991.52 × 8,937
  4. Step 4: Simplify right side
    19,325.25x = 259,097,214.24
  5. Step 5: Solve for x
    x = 259,097,214.24/19,325.25
  6. Step 6: Final answer
    x = 13,407.19

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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.