Home / 27,338.76-37,729.23-20,612.52

Finding the Fourth Proportional to 27,338.76, 37,729.23 and 20,612.52

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Solution

The fourth proportional to 27,338.76, 37,729.23 and 20,612.52 is: 28,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,338.76 : 37,729.23 = 20,612.52 : x
  2. Step 2: Convert to fraction form
    27,338.76/37,729.23 = 20,612.52/x
  3. Step 3: Cross multiply
    27,338.76x = 37,729.23 × 20,612.52
  4. Step 4: Simplify right side
    27,338.76x = 777,694,507.96
  5. Step 5: Solve for x
    x = 777,694,507.96/27,338.76
  6. Step 6: Final answer
    x = 28,446.59

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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.