Home / 28,996.45-40,034.38-22,270.05

Finding the Fourth Proportional to 28,996.45, 40,034.38 and 22,270.05

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Solution

The fourth proportional to 28,996.45, 40,034.38 and 22,270.05 is: 30,747.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.45 : 40,034.38 = 22,270.05 : x
  2. Step 2: Convert to fraction form
    28,996.45/40,034.38 = 22,270.05/x
  3. Step 3: Cross multiply
    28,996.45x = 40,034.38 × 22,270.05
  4. Step 4: Simplify right side
    28,996.45x = 891,567,633.05
  5. Step 5: Solve for x
    x = 891,567,633.05/28,996.45
  6. Step 6: Final answer
    x = 30,747.48

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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.