Home / 28,982.24-39,976.44-22,683.68

Finding the Fourth Proportional to 28,982.24, 39,976.44 and 22,683.68

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Solution

The fourth proportional to 28,982.24, 39,976.44 and 22,683.68 is: 31,288.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,982.24 : 39,976.44 = 22,683.68 : x
  2. Step 2: Convert to fraction form
    28,982.24/39,976.44 = 22,683.68/x
  3. Step 3: Cross multiply
    28,982.24x = 39,976.44 × 22,683.68
  4. Step 4: Simplify right side
    28,982.24x = 906,812,772.50
  5. Step 5: Solve for x
    x = 906,812,772.50/28,982.24
  6. Step 6: Final answer
    x = 31,288.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.