Home / 24,431.49-33,715.21-13,821.03

Finding the Fourth Proportional to 24,431.49, 33,715.21 and 13,821.03

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Solution

The fourth proportional to 24,431.49, 33,715.21 and 13,821.03 is: 19,072.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,431.49 : 33,715.21 = 13,821.03 : x
  2. Step 2: Convert to fraction form
    24,431.49/33,715.21 = 13,821.03/x
  3. Step 3: Cross multiply
    24,431.49x = 33,715.21 × 13,821.03
  4. Step 4: Simplify right side
    24,431.49x = 465,978,928.87
  5. Step 5: Solve for x
    x = 465,978,928.87/24,431.49
  6. Step 6: Final answer
    x = 19,072.88

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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.