Home / 21,984.60-32,976.42-5,344.72

Finding the Fourth Proportional to 21,984.60, 32,976.42 and 5,344.72

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Solution

The fourth proportional to 21,984.60, 32,976.42 and 5,344.72 is: 8,016.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984.60 : 32,976.42 = 5,344.72 : x
  2. Step 2: Convert to fraction form
    21,984.60/32,976.42 = 5,344.72/x
  3. Step 3: Cross multiply
    21,984.60x = 32,976.42 × 5,344.72
  4. Step 4: Simplify right side
    21,984.60x = 176,249,731.50
  5. Step 5: Solve for x
    x = 176,249,731.50/21,984.60
  6. Step 6: Final answer
    x = 8,016.96

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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.