Home / 23,899.86-35,871.66-12,221.28

Finding the Fourth Proportional to 23,899.86, 35,871.66 and 12,221.28

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Solution

The fourth proportional to 23,899.86, 35,871.66 and 12,221.28 is: 18,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.86 : 35,871.66 = 12,221.28 : x
  2. Step 2: Convert to fraction form
    23,899.86/35,871.66 = 12,221.28/x
  3. Step 3: Cross multiply
    23,899.86x = 35,871.66 × 12,221.28
  4. Step 4: Simplify right side
    23,899.86x = 438,397,600.92
  5. Step 5: Solve for x
    x = 438,397,600.92/23,899.86
  6. Step 6: Final answer
    x = 18,343.10

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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.