Home / 18,020.82-26,912.93-15,359.98

Finding the Fourth Proportional to 18,020.82, 26,912.93 and 15,359.98

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Solution

The fourth proportional to 18,020.82, 26,912.93 and 15,359.98 is: 22,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,020.82 : 26,912.93 = 15,359.98 : x
  2. Step 2: Convert to fraction form
    18,020.82/26,912.93 = 15,359.98/x
  3. Step 3: Cross multiply
    18,020.82x = 26,912.93 × 15,359.98
  4. Step 4: Simplify right side
    18,020.82x = 413,382,066.54
  5. Step 5: Solve for x
    x = 413,382,066.54/18,020.82
  6. Step 6: Final answer
    x = 22,939.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.