Home / 28,996.76-40,034.81-22,270.37

Finding the Fourth Proportional to 28,996.76, 40,034.81 and 22,270.37

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Solution

The fourth proportional to 28,996.76, 40,034.81 and 22,270.37 is: 30,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.76 : 40,034.81 = 22,270.37 : x
  2. Step 2: Convert to fraction form
    28,996.76/40,034.81 = 22,270.37/x
  3. Step 3: Cross multiply
    28,996.76x = 40,034.81 × 22,270.37
  4. Step 4: Simplify right side
    28,996.76x = 891,589,720.05
  5. Step 5: Solve for x
    x = 891,589,720.05/28,996.76
  6. Step 6: Final answer
    x = 30,747.91

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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.