Home / 28,414.56-39,220.70-16,480.83

Finding the Fourth Proportional to 28,414.56, 39,220.70 and 16,480.83

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Solution

The fourth proportional to 28,414.56, 39,220.70 and 16,480.83 is: 22,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414.56 : 39,220.70 = 16,480.83 : x
  2. Step 2: Convert to fraction form
    28,414.56/39,220.70 = 16,480.83/x
  3. Step 3: Cross multiply
    28,414.56x = 39,220.70 × 16,480.83
  4. Step 4: Simplify right side
    28,414.56x = 646,389,606.78
  5. Step 5: Solve for x
    x = 646,389,606.78/28,414.56
  6. Step 6: Final answer
    x = 22,748.53

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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.