Home / 28,996.64-40,034.55-22,270.20

Finding the Fourth Proportional to 28,996.64, 40,034.55 and 22,270.20

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Solution

The fourth proportional to 28,996.64, 40,034.55 and 22,270.20 is: 30,747.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,996.64 : 40,034.55 = 22,270.20 : x
  2. Step 2: Convert to fraction form
    28,996.64/40,034.55 = 22,270.20/x
  3. Step 3: Cross multiply
    28,996.64x = 40,034.55 × 22,270.20
  4. Step 4: Simplify right side
    28,996.64x = 891,577,235.24
  5. Step 5: Solve for x
    x = 891,577,235.24/28,996.64
  6. Step 6: Final answer
    x = 30,747.61

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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.