Home / 20,334.92-28,062.06-11,382.38

Finding the Fourth Proportional to 20,334.92, 28,062.06 and 11,382.38

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Solution

The fourth proportional to 20,334.92, 28,062.06 and 11,382.38 is: 15,707.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.92 : 28,062.06 = 11,382.38 : x
  2. Step 2: Convert to fraction form
    20,334.92/28,062.06 = 11,382.38/x
  3. Step 3: Cross multiply
    20,334.92x = 28,062.06 × 11,382.38
  4. Step 4: Simplify right side
    20,334.92x = 319,413,030.50
  5. Step 5: Solve for x
    x = 319,413,030.50/20,334.92
  6. Step 6: Final answer
    x = 15,707.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.