Home / 28,868.25-43,303.64-9,148.26

Finding the Fourth Proportional to 28,868.25, 43,303.64 and 9,148.26

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Solution

The fourth proportional to 28,868.25, 43,303.64 and 9,148.26 is: 13,722.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.25 : 43,303.64 = 9,148.26 : x
  2. Step 2: Convert to fraction form
    28,868.25/43,303.64 = 9,148.26/x
  3. Step 3: Cross multiply
    28,868.25x = 43,303.64 × 9,148.26
  4. Step 4: Simplify right side
    28,868.25x = 396,152,911.93
  5. Step 5: Solve for x
    x = 396,152,911.93/28,868.25
  6. Step 6: Final answer
    x = 13,722.79

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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.