Home / 28,828.43-39,778.66-16,250.75

Finding the Fourth Proportional to 28,828.43, 39,778.66 and 16,250.75

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Solution

The fourth proportional to 28,828.43, 39,778.66 and 16,250.75 is: 22,423.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.43 : 39,778.66 = 16,250.75 : x
  2. Step 2: Convert to fraction form
    28,828.43/39,778.66 = 16,250.75/x
  3. Step 3: Cross multiply
    28,828.43x = 39,778.66 × 16,250.75
  4. Step 4: Simplify right side
    28,828.43x = 646,433,059.00
  5. Step 5: Solve for x
    x = 646,433,059.00/28,828.43
  6. Step 6: Final answer
    x = 22,423.46

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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.