Home / 28,767.46-39,699.26-16,828.48

Finding the Fourth Proportional to 28,767.46, 39,699.26 and 16,828.48

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Solution

The fourth proportional to 28,767.46, 39,699.26 and 16,828.48 is: 23,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.46 : 39,699.26 = 16,828.48 : x
  2. Step 2: Convert to fraction form
    28,767.46/39,699.26 = 16,828.48/x
  3. Step 3: Cross multiply
    28,767.46x = 39,699.26 × 16,828.48
  4. Step 4: Simplify right side
    28,767.46x = 668,078,202.92
  5. Step 5: Solve for x
    x = 668,078,202.92/28,767.46
  6. Step 6: Final answer
    x = 23,223.40

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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.