Home / 28,829.63-43,241.23-7,771.77

Finding the Fourth Proportional to 28,829.63, 43,241.23 and 7,771.77

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Solution

The fourth proportional to 28,829.63, 43,241.23 and 7,771.77 is: 11,656.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.63 : 43,241.23 = 7,771.77 : x
  2. Step 2: Convert to fraction form
    28,829.63/43,241.23 = 7,771.77/x
  3. Step 3: Cross multiply
    28,829.63x = 43,241.23 × 7,771.77
  4. Step 4: Simplify right side
    28,829.63x = 336,060,903.79
  5. Step 5: Solve for x
    x = 336,060,903.79/28,829.63
  6. Step 6: Final answer
    x = 11,656.79

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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.