Home / 28,987.12-43,481.34-16,417.33

Finding the Fourth Proportional to 28,987.12, 43,481.34 and 16,417.33

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Solution

The fourth proportional to 28,987.12, 43,481.34 and 16,417.33 is: 24,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,987.12 : 43,481.34 = 16,417.33 : x
  2. Step 2: Convert to fraction form
    28,987.12/43,481.34 = 16,417.33/x
  3. Step 3: Cross multiply
    28,987.12x = 43,481.34 × 16,417.33
  4. Step 4: Simplify right side
    28,987.12x = 713,847,507.62
  5. Step 5: Solve for x
    x = 713,847,507.62/28,987.12
  6. Step 6: Final answer
    x = 24,626.37

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1.5x scale

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.