Home / 43,818.90-65,699.59-15,724.86

Finding the Fourth Proportional to 43,818.90, 65,699.59 and 15,724.86

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Solution

The fourth proportional to 43,818.90, 65,699.59 and 15,724.86 is: 23,576.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,818.90 : 65,699.59 = 15,724.86 : x
  2. Step 2: Convert to fraction form
    43,818.90/65,699.59 = 15,724.86/x
  3. Step 3: Cross multiply
    43,818.90x = 65,699.59 × 15,724.86
  4. Step 4: Simplify right side
    43,818.90x = 1,033,116,447.69
  5. Step 5: Solve for x
    x = 1,033,116,447.69/43,818.90
  6. Step 6: Final answer
    x = 23,576.96

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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.