Home / 19,032.39-28,548.66-5,181.39

Finding the Fourth Proportional to 19,032.39, 28,548.66 and 5,181.39

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Solution

The fourth proportional to 19,032.39, 28,548.66 and 5,181.39 is: 7,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,032.39 : 28,548.66 = 5,181.39 : x
  2. Step 2: Convert to fraction form
    19,032.39/28,548.66 = 5,181.39/x
  3. Step 3: Cross multiply
    19,032.39x = 28,548.66 × 5,181.39
  4. Step 4: Simplify right side
    19,032.39x = 147,921,741.44
  5. Step 5: Solve for x
    x = 147,921,741.44/19,032.39
  6. Step 6: Final answer
    x = 7,772.11

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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.