Home / 29,221.20-43,842.60-28,141.20

Finding the Fourth Proportional to 29,221.20, 43,842.60 and 28,141.20

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Solution

The fourth proportional to 29,221.20, 43,842.60 and 28,141.20 is: 42,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.20 : 43,842.60 = 28,141.20 : x
  2. Step 2: Convert to fraction form
    29,221.20/43,842.60 = 28,141.20/x
  3. Step 3: Cross multiply
    29,221.20x = 43,842.60 × 28,141.20
  4. Step 4: Simplify right side
    29,221.20x = 1,233,783,375.12
  5. Step 5: Solve for x
    x = 1,233,783,375.12/29,221.20
  6. Step 6: Final answer
    x = 42,222.20

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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.