Home / 28,822.20-39,770.22-16,244.28

Finding the Fourth Proportional to 28,822.20, 39,770.22 and 16,244.28

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Solution

The fourth proportional to 28,822.20, 39,770.22 and 16,244.28 is: 22,414.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,822.20 : 39,770.22 = 16,244.28 : x
  2. Step 2: Convert to fraction form
    28,822.20/39,770.22 = 16,244.28/x
  3. Step 3: Cross multiply
    28,822.20x = 39,770.22 × 16,244.28
  4. Step 4: Simplify right side
    28,822.20x = 646,038,589.34
  5. Step 5: Solve for x
    x = 646,038,589.34/28,822.20
  6. Step 6: Final answer
    x = 22,414.62

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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.