Home / 19,325.43-28,965.87-8,779.64

Finding the Fourth Proportional to 19,325.43, 28,965.87 and 8,779.64

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Solution

The fourth proportional to 19,325.43, 28,965.87 and 8,779.64 is: 13,159.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.43 : 28,965.87 = 8,779.64 : x
  2. Step 2: Convert to fraction form
    19,325.43/28,965.87 = 8,779.64/x
  3. Step 3: Cross multiply
    19,325.43x = 28,965.87 × 8,779.64
  4. Step 4: Simplify right side
    19,325.43x = 254,309,766.06
  5. Step 5: Solve for x
    x = 254,309,766.06/19,325.43
  6. Step 6: Final answer
    x = 13,159.33

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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.