Home / 19,040.45-28,577.07-9,188.01

Finding the Fourth Proportional to 19,040.45, 28,577.07 and 9,188.01

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Solution

The fourth proportional to 19,040.45, 28,577.07 and 9,188.01 is: 13,789.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.45 : 28,577.07 = 9,188.01 : x
  2. Step 2: Convert to fraction form
    19,040.45/28,577.07 = 9,188.01/x
  3. Step 3: Cross multiply
    19,040.45x = 28,577.07 × 9,188.01
  4. Step 4: Simplify right side
    19,040.45x = 262,566,404.93
  5. Step 5: Solve for x
    x = 262,566,404.93/19,040.45
  6. Step 6: Final answer
    x = 13,789.93

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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.