Home / 20,455.44-30,683.19-17,673.70

Finding the Fourth Proportional to 20,455.44, 30,683.19 and 17,673.70

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Solution

The fourth proportional to 20,455.44, 30,683.19 and 17,673.70 is: 26,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,455.44 : 30,683.19 = 17,673.70 : x
  2. Step 2: Convert to fraction form
    20,455.44/30,683.19 = 17,673.70/x
  3. Step 3: Cross multiply
    20,455.44x = 30,683.19 × 17,673.70
  4. Step 4: Simplify right side
    20,455.44x = 542,285,495.10
  5. Step 5: Solve for x
    x = 542,285,495.10/20,455.44
  6. Step 6: Final answer
    x = 26,510.58

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1.5x scale

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.