Home / 28,876.88-43,323.96-13,294.64

Finding the Fourth Proportional to 28,876.88, 43,323.96 and 13,294.64

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Solution

The fourth proportional to 28,876.88, 43,323.96 and 13,294.64 is: 19,945.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.88 : 43,323.96 = 13,294.64 : x
  2. Step 2: Convert to fraction form
    28,876.88/43,323.96 = 13,294.64/x
  3. Step 3: Cross multiply
    28,876.88x = 43,323.96 × 13,294.64
  4. Step 4: Simplify right side
    28,876.88x = 575,976,451.57
  5. Step 5: Solve for x
    x = 575,976,451.57/28,876.88
  6. Step 6: Final answer
    x = 19,945.94

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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.