Home / 20,313.57-27,974.59-19,047.84

Finding the Fourth Proportional to 20,313.57, 27,974.59 and 19,047.84

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Solution

The fourth proportional to 20,313.57, 27,974.59 and 19,047.84 is: 26,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313.57 : 27,974.59 = 19,047.84 : x
  2. Step 2: Convert to fraction form
    20,313.57/27,974.59 = 19,047.84/x
  3. Step 3: Cross multiply
    20,313.57x = 27,974.59 × 19,047.84
  4. Step 4: Simplify right side
    20,313.57x = 532,855,514.39
  5. Step 5: Solve for x
    x = 532,855,514.39/20,313.57
  6. Step 6: Final answer
    x = 26,231.51

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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.