Home / 28,318.29-39,076.92-16,674.66

Finding the Fourth Proportional to 28,318.29, 39,076.92 and 16,674.66

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Solution

The fourth proportional to 28,318.29, 39,076.92 and 16,674.66 is: 23,009.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,318.29 : 39,076.92 = 16,674.66 : x
  2. Step 2: Convert to fraction form
    28,318.29/39,076.92 = 16,674.66/x
  3. Step 3: Cross multiply
    28,318.29x = 39,076.92 × 16,674.66
  4. Step 4: Simplify right side
    28,318.29x = 651,594,354.85
  5. Step 5: Solve for x
    x = 651,594,354.85/28,318.29
  6. Step 6: Final answer
    x = 23,009.66

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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.