Home / 28,348.97-39,122.42-16,416.05

Finding the Fourth Proportional to 28,348.97, 39,122.42 and 16,416.05

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Solution

The fourth proportional to 28,348.97, 39,122.42 and 16,416.05 is: 22,654.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.97 : 39,122.42 = 16,416.05 : x
  2. Step 2: Convert to fraction form
    28,348.97/39,122.42 = 16,416.05/x
  3. Step 3: Cross multiply
    28,348.97x = 39,122.42 × 16,416.05
  4. Step 4: Simplify right side
    28,348.97x = 642,235,325.15
  5. Step 5: Solve for x
    x = 642,235,325.15/28,348.97
  6. Step 6: Final answer
    x = 22,654.63

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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.