Home / 37,628.22-51,929.28-20,861.22

Finding the Fourth Proportional to 37,628.22, 51,929.28 and 20,861.22

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Solution

The fourth proportional to 37,628.22, 51,929.28 and 20,861.22 is: 28,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.22 : 51,929.28 = 20,861.22 : x
  2. Step 2: Convert to fraction form
    37,628.22/51,929.28 = 20,861.22/x
  3. Step 3: Cross multiply
    37,628.22x = 51,929.28 × 20,861.22
  4. Step 4: Simplify right side
    37,628.22x = 1,083,308,134.52
  5. Step 5: Solve for x
    x = 1,083,308,134.52/37,628.22
  6. Step 6: Final answer
    x = 28,789.78

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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.