Home / 26,989.46-37,245.62-15,665.72

Finding the Fourth Proportional to 26,989.46, 37,245.62 and 15,665.72

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Solution

The fourth proportional to 26,989.46, 37,245.62 and 15,665.72 is: 21,618.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.46 : 37,245.62 = 15,665.72 : x
  2. Step 2: Convert to fraction form
    26,989.46/37,245.62 = 15,665.72/x
  3. Step 3: Cross multiply
    26,989.46x = 37,245.62 × 15,665.72
  4. Step 4: Simplify right side
    26,989.46x = 583,479,189.59
  5. Step 5: Solve for x
    x = 583,479,189.59/26,989.46
  6. Step 6: Final answer
    x = 21,618.78

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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.