Home / 19,200.40-28,808.96-6,729.40

Finding the Fourth Proportional to 19,200.40, 28,808.96 and 6,729.40

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Solution

The fourth proportional to 19,200.40, 28,808.96 and 6,729.40 is: 10,097.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.40 : 28,808.96 = 6,729.40 : x
  2. Step 2: Convert to fraction form
    19,200.40/28,808.96 = 6,729.40/x
  3. Step 3: Cross multiply
    19,200.40x = 28,808.96 × 6,729.40
  4. Step 4: Simplify right side
    19,200.40x = 193,867,015.42
  5. Step 5: Solve for x
    x = 193,867,015.42/19,200.40
  6. Step 6: Final answer
    x = 10,097.03

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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.