Home / 19,235.25-28,835.64-10,355.31

Finding the Fourth Proportional to 19,235.25, 28,835.64 and 10,355.31

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Solution

The fourth proportional to 19,235.25, 28,835.64 and 10,355.31 is: 15,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.25 : 28,835.64 = 10,355.31 : x
  2. Step 2: Convert to fraction form
    19,235.25/28,835.64 = 10,355.31/x
  3. Step 3: Cross multiply
    19,235.25x = 28,835.64 × 10,355.31
  4. Step 4: Simplify right side
    19,235.25x = 298,601,991.25
  5. Step 5: Solve for x
    x = 298,601,991.25/19,235.25
  6. Step 6: Final answer
    x = 15,523.69

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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.