Home / 19,019.58-28,527.21-5,169.66

Finding the Fourth Proportional to 19,019.58, 28,527.21 and 5,169.66

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Solution

The fourth proportional to 19,019.58, 28,527.21 and 5,169.66 is: 7,753.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,019.58 : 28,527.21 = 5,169.66 : x
  2. Step 2: Convert to fraction form
    19,019.58/28,527.21 = 5,169.66/x
  3. Step 3: Cross multiply
    19,019.58x = 28,527.21 × 5,169.66
  4. Step 4: Simplify right side
    19,019.58x = 147,475,976.45
  5. Step 5: Solve for x
    x = 147,475,976.45/19,019.58
  6. Step 6: Final answer
    x = 7,753.90

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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.