Home / 18,735.39-28,100.25-7,045.89

Finding the Fourth Proportional to 18,735.39, 28,100.25 and 7,045.89

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Solution

The fourth proportional to 18,735.39, 28,100.25 and 7,045.89 is: 10,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.39 : 28,100.25 = 7,045.89 : x
  2. Step 2: Convert to fraction form
    18,735.39/28,100.25 = 7,045.89/x
  3. Step 3: Cross multiply
    18,735.39x = 28,100.25 × 7,045.89
  4. Step 4: Simplify right side
    18,735.39x = 197,991,270.47
  5. Step 5: Solve for x
    x = 197,991,270.47/18,735.39
  6. Step 6: Final answer
    x = 10,567.77

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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.