Home / 28,763.70-43,130.91-13,167.96

Finding the Fourth Proportional to 28,763.70, 43,130.91 and 13,167.96

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Solution

The fourth proportional to 28,763.70, 43,130.91 and 13,167.96 is: 19,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.70 : 43,130.91 = 13,167.96 : x
  2. Step 2: Convert to fraction form
    28,763.70/43,130.91 = 13,167.96/x
  3. Step 3: Cross multiply
    28,763.70x = 43,130.91 × 13,167.96
  4. Step 4: Simplify right side
    28,763.70x = 567,946,097.64
  5. Step 5: Solve for x
    x = 567,946,097.64/28,763.70
  6. Step 6: Final answer
    x = 19,745.24

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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.