Home / 28,309.41-42,463.14-7,249.62

Finding the Fourth Proportional to 28,309.41, 42,463.14 and 7,249.62

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Solution

The fourth proportional to 28,309.41, 42,463.14 and 7,249.62 is: 10,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,309.41 : 42,463.14 = 7,249.62 : x
  2. Step 2: Convert to fraction form
    28,309.41/42,463.14 = 7,249.62/x
  3. Step 3: Cross multiply
    28,309.41x = 42,463.14 × 7,249.62
  4. Step 4: Simplify right side
    28,309.41x = 307,841,629.01
  5. Step 5: Solve for x
    x = 307,841,629.01/28,309.41
  6. Step 6: Final answer
    x = 10,874.18

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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.