Home / 28,770.04-43,092.60-13,947.85

Finding the Fourth Proportional to 28,770.04, 43,092.60 and 13,947.85

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Solution

The fourth proportional to 28,770.04, 43,092.60 and 13,947.85 is: 20,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.04 : 43,092.60 = 13,947.85 : x
  2. Step 2: Convert to fraction form
    28,770.04/43,092.60 = 13,947.85/x
  3. Step 3: Cross multiply
    28,770.04x = 43,092.60 × 13,947.85
  4. Step 4: Simplify right side
    28,770.04x = 601,049,120.91
  5. Step 5: Solve for x
    x = 601,049,120.91/28,770.04
  6. Step 6: Final answer
    x = 20,891.49

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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.