Home / 28,227.45-42,341.19-7,169.07

Finding the Fourth Proportional to 28,227.45, 42,341.19 and 7,169.07

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Solution

The fourth proportional to 28,227.45, 42,341.19 and 7,169.07 is: 10,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.45 : 42,341.19 = 7,169.07 : x
  2. Step 2: Convert to fraction form
    28,227.45/42,341.19 = 7,169.07/x
  3. Step 3: Cross multiply
    28,227.45x = 42,341.19 × 7,169.07
  4. Step 4: Simplify right side
    28,227.45x = 303,546,769.33
  5. Step 5: Solve for x
    x = 303,546,769.33/28,227.45
  6. Step 6: Final answer
    x = 10,753.60

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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.