Home / 28,787.36-43,182.58-9,067.46

Finding the Fourth Proportional to 28,787.36, 43,182.58 and 9,067.46

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Solution

The fourth proportional to 28,787.36, 43,182.58 and 9,067.46 is: 13,601.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.36 : 43,182.58 = 9,067.46 : x
  2. Step 2: Convert to fraction form
    28,787.36/43,182.58 = 9,067.46/x
  3. Step 3: Cross multiply
    28,787.36x = 43,182.58 × 9,067.46
  4. Step 4: Simplify right side
    28,787.36x = 391,556,078.27
  5. Step 5: Solve for x
    x = 391,556,078.27/28,787.36
  6. Step 6: Final answer
    x = 13,601.67

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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.