Home / 30,383.20-41,928.89-16,955.25

Finding the Fourth Proportional to 30,383.20, 41,928.89 and 16,955.25

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Solution

The fourth proportional to 30,383.20, 41,928.89 and 16,955.25 is: 23,398.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.20 : 41,928.89 = 16,955.25 : x
  2. Step 2: Convert to fraction form
    30,383.20/41,928.89 = 16,955.25/x
  3. Step 3: Cross multiply
    30,383.20x = 41,928.89 × 16,955.25
  4. Step 4: Simplify right side
    30,383.20x = 710,914,783.46
  5. Step 5: Solve for x
    x = 710,914,783.46/30,383.20
  6. Step 6: Final answer
    x = 23,398.28

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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.