Home / 28,052.96-42,079.32-11,412.86

Finding the Fourth Proportional to 28,052.96, 42,079.32 and 11,412.86

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Solution

The fourth proportional to 28,052.96, 42,079.32 and 11,412.86 is: 17,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.96 : 42,079.32 = 11,412.86 : x
  2. Step 2: Convert to fraction form
    28,052.96/42,079.32 = 11,412.86/x
  3. Step 3: Cross multiply
    28,052.96x = 42,079.32 × 11,412.86
  4. Step 4: Simplify right side
    28,052.96x = 480,245,120.59
  5. Step 5: Solve for x
    x = 480,245,120.59/28,052.96
  6. Step 6: Final answer
    x = 17,119.23

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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.