Home / 28,227.60-42,341.42-7,169.22

Finding the Fourth Proportional to 28,227.60, 42,341.42 and 7,169.22

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Solution

The fourth proportional to 28,227.60, 42,341.42 and 7,169.22 is: 10,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,227.60 : 42,341.42 = 7,169.22 : x
  2. Step 2: Convert to fraction form
    28,227.60/42,341.42 = 7,169.22/x
  3. Step 3: Cross multiply
    28,227.60x = 42,341.42 × 7,169.22
  4. Step 4: Simplify right side
    28,227.60x = 303,554,707.54
  5. Step 5: Solve for x
    x = 303,554,707.54/28,227.60
  6. Step 6: Final answer
    x = 10,753.83

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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.