Home / 28,782.08-39,716.55-16,033.96

Finding the Fourth Proportional to 28,782.08, 39,716.55 and 16,033.96

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Solution

The fourth proportional to 28,782.08, 39,716.55 and 16,033.96 is: 22,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.08 : 39,716.55 = 16,033.96 : x
  2. Step 2: Convert to fraction form
    28,782.08/39,716.55 = 16,033.96/x
  3. Step 3: Cross multiply
    28,782.08x = 39,716.55 × 16,033.96
  4. Step 4: Simplify right side
    28,782.08x = 636,813,474.75
  5. Step 5: Solve for x
    x = 636,813,474.75/28,782.08
  6. Step 6: Final answer
    x = 22,125.35

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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.