Home / 28,594.05-39,458.64-15,847.44

Finding the Fourth Proportional to 28,594.05, 39,458.64 and 15,847.44

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Solution

The fourth proportional to 28,594.05, 39,458.64 and 15,847.44 is: 21,868.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.05 : 39,458.64 = 15,847.44 : x
  2. Step 2: Convert to fraction form
    28,594.05/39,458.64 = 15,847.44/x
  3. Step 3: Cross multiply
    28,594.05x = 39,458.64 × 15,847.44
  4. Step 4: Simplify right side
    28,594.05x = 625,318,429.88
  5. Step 5: Solve for x
    x = 625,318,429.88/28,594.05
  6. Step 6: Final answer
    x = 21,868.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.