Home / 28,568.36-39,424.42-15,993.32

Finding the Fourth Proportional to 28,568.36, 39,424.42 and 15,993.32

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Solution

The fourth proportional to 28,568.36, 39,424.42 and 15,993.32 is: 22,070.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.36 : 39,424.42 = 15,993.32 : x
  2. Step 2: Convert to fraction form
    28,568.36/39,424.42 = 15,993.32/x
  3. Step 3: Cross multiply
    28,568.36x = 39,424.42 × 15,993.32
  4. Step 4: Simplify right side
    28,568.36x = 630,527,364.87
  5. Step 5: Solve for x
    x = 630,527,364.87/28,568.36
  6. Step 6: Final answer
    x = 22,070.83

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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.