Home / 17,788.58-26,690.65-8,435.27

Finding the Fourth Proportional to 17,788.58, 26,690.65 and 8,435.27

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Solution

The fourth proportional to 17,788.58, 26,690.65 and 8,435.27 is: 12,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,788.58 : 26,690.65 = 8,435.27 : x
  2. Step 2: Convert to fraction form
    17,788.58/26,690.65 = 8,435.27/x
  3. Step 3: Cross multiply
    17,788.58x = 26,690.65 × 8,435.27
  4. Step 4: Simplify right side
    17,788.58x = 225,142,884.86
  5. Step 5: Solve for x
    x = 225,142,884.86/17,788.58
  6. Step 6: Final answer
    x = 12,656.60

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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.