Home / 21,867.35-32,816.97-8,723.48

Finding the Fourth Proportional to 21,867.35, 32,816.97 and 8,723.48

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Solution

The fourth proportional to 21,867.35, 32,816.97 and 8,723.48 is: 13,091.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,867.35 : 32,816.97 = 8,723.48 : x
  2. Step 2: Convert to fraction form
    21,867.35/32,816.97 = 8,723.48/x
  3. Step 3: Cross multiply
    21,867.35x = 32,816.97 × 8,723.48
  4. Step 4: Simplify right side
    21,867.35x = 286,278,017.37
  5. Step 5: Solve for x
    x = 286,278,017.37/21,867.35
  6. Step 6: Final answer
    x = 13,091.58

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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.