Home / 23,310.84-34,938.48-13,429.64

Finding the Fourth Proportional to 23,310.84, 34,938.48 and 13,429.64

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Solution

The fourth proportional to 23,310.84, 34,938.48 and 13,429.64 is: 20,128.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,310.84 : 34,938.48 = 13,429.64 : x
  2. Step 2: Convert to fraction form
    23,310.84/34,938.48 = 13,429.64/x
  3. Step 3: Cross multiply
    23,310.84x = 34,938.48 × 13,429.64
  4. Step 4: Simplify right side
    23,310.84x = 469,211,208.55
  5. Step 5: Solve for x
    x = 469,211,208.55/23,310.84
  6. Step 6: Final answer
    x = 20,128.46

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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.