Home / 28,406.72-39,201.26-16,476.96

Finding the Fourth Proportional to 28,406.72, 39,201.26 and 16,476.96

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Solution

The fourth proportional to 28,406.72, 39,201.26 and 16,476.96 is: 22,738.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.72 : 39,201.26 = 16,476.96 : x
  2. Step 2: Convert to fraction form
    28,406.72/39,201.26 = 16,476.96/x
  3. Step 3: Cross multiply
    28,406.72x = 39,201.26 × 16,476.96
  4. Step 4: Simplify right side
    28,406.72x = 645,917,592.97
  5. Step 5: Solve for x
    x = 645,917,592.97/28,406.72
  6. Step 6: Final answer
    x = 22,738.20

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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.