Home / 20,617.49-30,852.32-17,853.63

Finding the Fourth Proportional to 20,617.49, 30,852.32 and 17,853.63

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Solution

The fourth proportional to 20,617.49, 30,852.32 and 17,853.63 is: 26,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,617.49 : 30,852.32 = 17,853.63 : x
  2. Step 2: Convert to fraction form
    20,617.49/30,852.32 = 17,853.63/x
  3. Step 3: Cross multiply
    20,617.49x = 30,852.32 × 17,853.63
  4. Step 4: Simplify right side
    20,617.49x = 550,825,816.65
  5. Step 5: Solve for x
    x = 550,825,816.65/20,617.49
  6. Step 6: Final answer
    x = 26,716.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.