Home / 19,256.86-28,887.18-8,009.88

Finding the Fourth Proportional to 19,256.86, 28,887.18 and 8,009.88

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Solution

The fourth proportional to 19,256.86, 28,887.18 and 8,009.88 is: 12,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,256.86 : 28,887.18 = 8,009.88 : x
  2. Step 2: Convert to fraction form
    19,256.86/28,887.18 = 8,009.88/x
  3. Step 3: Cross multiply
    19,256.86x = 28,887.18 × 8,009.88
  4. Step 4: Simplify right side
    19,256.86x = 231,382,845.34
  5. Step 5: Solve for x
    x = 231,382,845.34/19,256.86
  6. Step 6: Final answer
    x = 12,015.61

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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.