Home / 28,022.76-41,946.66-20,111.90

Finding the Fourth Proportional to 28,022.76, 41,946.66 and 20,111.90

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Solution

The fourth proportional to 28,022.76, 41,946.66 and 20,111.90 is: 30,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,022.76 : 41,946.66 = 20,111.90 : x
  2. Step 2: Convert to fraction form
    28,022.76/41,946.66 = 20,111.90/x
  3. Step 3: Cross multiply
    28,022.76x = 41,946.66 × 20,111.90
  4. Step 4: Simplify right side
    28,022.76x = 843,626,821.52
  5. Step 5: Solve for x
    x = 843,626,821.52/28,022.76
  6. Step 6: Final answer
    x = 30,105.06

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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.