Home / 37,688.88-52,012.44-20,922

Finding the Fourth Proportional to 37,688.88, 52,012.44 and 20,922

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Solution

The fourth proportional to 37,688.88, 52,012.44 and 20,922 is: 28,873.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,688.88 : 52,012.44 = 20,922 : x
  2. Step 2: Convert to fraction form
    37,688.88/52,012.44 = 20,922/x
  3. Step 3: Cross multiply
    37,688.88x = 52,012.44 × 20,922
  4. Step 4: Simplify right side
    37,688.88x = 1,088,204,269.68
  5. Step 5: Solve for x
    x = 1,088,204,269.68/37,688.88
  6. Step 6: Final answer
    x = 28,873.35

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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.