Home / 19,286.10-28,928.88-7,599.42

Finding the Fourth Proportional to 19,286.10, 28,928.88 and 7,599.42

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Solution

The fourth proportional to 19,286.10, 28,928.88 and 7,599.42 is: 11,399.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.10 : 28,928.88 = 7,599.42 : x
  2. Step 2: Convert to fraction form
    19,286.10/28,928.88 = 7,599.42/x
  3. Step 3: Cross multiply
    19,286.10x = 28,928.88 × 7,599.42
  4. Step 4: Simplify right side
    19,286.10x = 219,842,709.25
  5. Step 5: Solve for x
    x = 219,842,709.25/19,286.10
  6. Step 6: Final answer
    x = 11,399.02

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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.