Home / 28,182.14-42,273.90-9,462.79

Finding the Fourth Proportional to 28,182.14, 42,273.90 and 9,462.79

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Solution

The fourth proportional to 28,182.14, 42,273.90 and 9,462.79 is: 14,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.14 : 42,273.90 = 9,462.79 : x
  2. Step 2: Convert to fraction form
    28,182.14/42,273.90 = 9,462.79/x
  3. Step 3: Cross multiply
    28,182.14x = 42,273.90 × 9,462.79
  4. Step 4: Simplify right side
    28,182.14x = 400,029,091.02
  5. Step 5: Solve for x
    x = 400,029,091.02/28,182.14
  6. Step 6: Final answer
    x = 14,194.42

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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.