Home / 19,166.37-28,747.26-5,127.45

Finding the Fourth Proportional to 19,166.37, 28,747.26 and 5,127.45

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Solution

The fourth proportional to 19,166.37, 28,747.26 and 5,127.45 is: 7,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.37 : 28,747.26 = 5,127.45 : x
  2. Step 2: Convert to fraction form
    19,166.37/28,747.26 = 5,127.45/x
  3. Step 3: Cross multiply
    19,166.37x = 28,747.26 × 5,127.45
  4. Step 4: Simplify right side
    19,166.37x = 147,400,138.29
  5. Step 5: Solve for x
    x = 147,400,138.29/19,166.37
  6. Step 6: Final answer
    x = 7,690.56

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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.