Home / 21,763.35-30,036.83-15,792.84

Finding the Fourth Proportional to 21,763.35, 30,036.83 and 15,792.84

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Solution

The fourth proportional to 21,763.35, 30,036.83 and 15,792.84 is: 21,796.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.35 : 30,036.83 = 15,792.84 : x
  2. Step 2: Convert to fraction form
    21,763.35/30,036.83 = 15,792.84/x
  3. Step 3: Cross multiply
    21,763.35x = 30,036.83 × 15,792.84
  4. Step 4: Simplify right side
    21,763.35x = 474,366,771.33
  5. Step 5: Solve for x
    x = 474,366,771.33/21,763.35
  6. Step 6: Final answer
    x = 21,796.59

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Half scale
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Double scale
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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.