Home / 28,171.50-42,241.45-19,296.85

Finding the Fourth Proportional to 28,171.50, 42,241.45 and 19,296.85

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Solution

The fourth proportional to 28,171.50, 42,241.45 and 19,296.85 is: 28,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,171.50 : 42,241.45 = 19,296.85 : x
  2. Step 2: Convert to fraction form
    28,171.50/42,241.45 = 19,296.85/x
  3. Step 3: Cross multiply
    28,171.50x = 42,241.45 × 19,296.85
  4. Step 4: Simplify right side
    28,171.50x = 815,126,770.59
  5. Step 5: Solve for x
    x = 815,126,770.59/28,171.50
  6. Step 6: Final answer
    x = 28,934.45

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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.