Home / 28,654.26-42,970.45-11,119.98

Finding the Fourth Proportional to 28,654.26, 42,970.45 and 11,119.98

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Solution

The fourth proportional to 28,654.26, 42,970.45 and 11,119.98 is: 16,675.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,654.26 : 42,970.45 = 11,119.98 : x
  2. Step 2: Convert to fraction form
    28,654.26/42,970.45 = 11,119.98/x
  3. Step 3: Cross multiply
    28,654.26x = 42,970.45 × 11,119.98
  4. Step 4: Simplify right side
    28,654.26x = 477,830,698.78
  5. Step 5: Solve for x
    x = 477,830,698.78/28,654.26
  6. Step 6: Final answer
    x = 16,675.73

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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.