Home / 28,544.66-39,404.85-16,603.64

Finding the Fourth Proportional to 28,544.66, 39,404.85 and 16,603.64

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Solution

The fourth proportional to 28,544.66, 39,404.85 and 16,603.64 is: 22,920.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.66 : 39,404.85 = 16,603.64 : x
  2. Step 2: Convert to fraction form
    28,544.66/39,404.85 = 16,603.64/x
  3. Step 3: Cross multiply
    28,544.66x = 39,404.85 × 16,603.64
  4. Step 4: Simplify right side
    28,544.66x = 654,263,943.65
  5. Step 5: Solve for x
    x = 654,263,943.65/28,544.66
  6. Step 6: Final answer
    x = 22,920.71

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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.