Home / 24,076.40-33,258.48-21,840.80

Finding the Fourth Proportional to 24,076.40, 33,258.48 and 21,840.80

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Solution

The fourth proportional to 24,076.40, 33,258.48 and 21,840.80 is: 30,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,076.40 : 33,258.48 = 21,840.80 : x
  2. Step 2: Convert to fraction form
    24,076.40/33,258.48 = 21,840.80/x
  3. Step 3: Cross multiply
    24,076.40x = 33,258.48 × 21,840.80
  4. Step 4: Simplify right side
    24,076.40x = 726,391,809.98
  5. Step 5: Solve for x
    x = 726,391,809.98/24,076.40
  6. Step 6: Final answer
    x = 30,170.28

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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.