Home / 43,911.68-65,872.80-15,827.36

Finding the Fourth Proportional to 43,911.68, 65,872.80 and 15,827.36

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Solution

The fourth proportional to 43,911.68, 65,872.80 and 15,827.36 is: 23,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911.68 : 65,872.80 = 15,827.36 : x
  2. Step 2: Convert to fraction form
    43,911.68/65,872.80 = 15,827.36/x
  3. Step 3: Cross multiply
    43,911.68x = 65,872.80 × 15,827.36
  4. Step 4: Simplify right side
    43,911.68x = 1,042,592,519.81
  5. Step 5: Solve for x
    x = 1,042,592,519.81/43,911.68
  6. Step 6: Final answer
    x = 23,742.94

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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.