Home / 19,295.55-28,943.83-5,255.70

Finding the Fourth Proportional to 19,295.55, 28,943.83 and 5,255.70

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Solution

The fourth proportional to 19,295.55, 28,943.83 and 5,255.70 is: 7,883.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.55 : 28,943.83 = 5,255.70 : x
  2. Step 2: Convert to fraction form
    19,295.55/28,943.83 = 5,255.70/x
  3. Step 3: Cross multiply
    19,295.55x = 28,943.83 × 5,255.70
  4. Step 4: Simplify right side
    19,295.55x = 152,120,028.11
  5. Step 5: Solve for x
    x = 152,120,028.11/19,295.55
  6. Step 6: Final answer
    x = 7,883.68

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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.