Home / 19,043.36-28,566.48-5,192

Finding the Fourth Proportional to 19,043.36, 28,566.48 and 5,192

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Solution

The fourth proportional to 19,043.36, 28,566.48 and 5,192 is: 7,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.36 : 28,566.48 = 5,192 : x
  2. Step 2: Convert to fraction form
    19,043.36/28,566.48 = 5,192/x
  3. Step 3: Cross multiply
    19,043.36x = 28,566.48 × 5,192
  4. Step 4: Simplify right side
    19,043.36x = 148,317,164.16
  5. Step 5: Solve for x
    x = 148,317,164.16/19,043.36
  6. Step 6: Final answer
    x = 7,788.39

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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.