Home / 28,818.38-39,770.43-16,244.30

Finding the Fourth Proportional to 28,818.38, 39,770.43 and 16,244.30

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Solution

The fourth proportional to 28,818.38, 39,770.43 and 16,244.30 is: 22,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818.38 : 39,770.43 = 16,244.30 : x
  2. Step 2: Convert to fraction form
    28,818.38/39,770.43 = 16,244.30/x
  3. Step 3: Cross multiply
    28,818.38x = 39,770.43 × 16,244.30
  4. Step 4: Simplify right side
    28,818.38x = 646,042,796.05
  5. Step 5: Solve for x
    x = 646,042,796.05/28,818.38
  6. Step 6: Final answer
    x = 22,417.73

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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.