Home / 28,842.38-43,290.30-17,770.70

Finding the Fourth Proportional to 28,842.38, 43,290.30 and 17,770.70

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Solution

The fourth proportional to 28,842.38, 43,290.30 and 17,770.70 is: 26,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.38 : 43,290.30 = 17,770.70 : x
  2. Step 2: Convert to fraction form
    28,842.38/43,290.30 = 17,770.70/x
  3. Step 3: Cross multiply
    28,842.38x = 43,290.30 × 17,770.70
  4. Step 4: Simplify right side
    28,842.38x = 769,298,934.21
  5. Step 5: Solve for x
    x = 769,298,934.21/28,842.38
  6. Step 6: Final answer
    x = 26,672.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.