Home / 21,435.66-32,091.66-12,524.04

Finding the Fourth Proportional to 21,435.66, 32,091.66 and 12,524.04

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Solution

The fourth proportional to 21,435.66, 32,091.66 and 12,524.04 is: 18,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,435.66 : 32,091.66 = 12,524.04 : x
  2. Step 2: Convert to fraction form
    21,435.66/32,091.66 = 12,524.04/x
  3. Step 3: Cross multiply
    21,435.66x = 32,091.66 × 12,524.04
  4. Step 4: Simplify right side
    21,435.66x = 401,917,233.51
  5. Step 5: Solve for x
    x = 401,917,233.51/21,435.66
  6. Step 6: Final answer
    x = 18,749.94

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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.