Home / 28,976.80-43,364.40-17,298.40

Finding the Fourth Proportional to 28,976.80, 43,364.40 and 17,298.40

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Solution

The fourth proportional to 28,976.80, 43,364.40 and 17,298.40 is: 25,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976.80 : 43,364.40 = 17,298.40 : x
  2. Step 2: Convert to fraction form
    28,976.80/43,364.40 = 17,298.40/x
  3. Step 3: Cross multiply
    28,976.80x = 43,364.40 × 17,298.40
  4. Step 4: Simplify right side
    28,976.80x = 750,134,736.96
  5. Step 5: Solve for x
    x = 750,134,736.96/28,976.80
  6. Step 6: Final answer
    x = 25,887.43

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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.