Home / 28,183.32-38,893.86-15,609.24

Finding the Fourth Proportional to 28,183.32, 38,893.86 and 15,609.24

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Solution

The fourth proportional to 28,183.32, 38,893.86 and 15,609.24 is: 21,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.32 : 38,893.86 = 15,609.24 : x
  2. Step 2: Convert to fraction form
    28,183.32/38,893.86 = 15,609.24/x
  3. Step 3: Cross multiply
    28,183.32x = 38,893.86 × 15,609.24
  4. Step 4: Simplify right side
    28,183.32x = 607,103,595.27
  5. Step 5: Solve for x
    x = 607,103,595.27/28,183.32
  6. Step 6: Final answer
    x = 21,541.24

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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.