Home / 27,052.44-37,380.06-20,818.68

Finding the Fourth Proportional to 27,052.44, 37,380.06 and 20,818.68

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Solution

The fourth proportional to 27,052.44, 37,380.06 and 20,818.68 is: 28,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,052.44 : 37,380.06 = 20,818.68 : x
  2. Step 2: Convert to fraction form
    27,052.44/37,380.06 = 20,818.68/x
  3. Step 3: Cross multiply
    27,052.44x = 37,380.06 × 20,818.68
  4. Step 4: Simplify right side
    27,052.44x = 778,203,507.52
  5. Step 5: Solve for x
    x = 778,203,507.52/27,052.44
  6. Step 6: Final answer
    x = 28,766.48

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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.