Home / 21,449.60-32,173.40-5,867.28

Finding the Fourth Proportional to 21,449.60, 32,173.40 and 5,867.28

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Solution

The fourth proportional to 21,449.60, 32,173.40 and 5,867.28 is: 8,800.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,449.60 : 32,173.40 = 5,867.28 : x
  2. Step 2: Convert to fraction form
    21,449.60/32,173.40 = 5,867.28/x
  3. Step 3: Cross multiply
    21,449.60x = 32,173.40 × 5,867.28
  4. Step 4: Simplify right side
    21,449.60x = 188,770,346.35
  5. Step 5: Solve for x
    x = 188,770,346.35/21,449.60
  6. Step 6: Final answer
    x = 8,800.65

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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.