Home / 43,653.90-65,369.61-28,817.54

Finding the Fourth Proportional to 43,653.90, 65,369.61 and 28,817.54

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Solution

The fourth proportional to 43,653.90, 65,369.61 and 28,817.54 is: 43,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.90 : 65,369.61 = 28,817.54 : x
  2. Step 2: Convert to fraction form
    43,653.90/65,369.61 = 28,817.54/x
  3. Step 3: Cross multiply
    43,653.90x = 65,369.61 × 28,817.54
  4. Step 4: Simplify right side
    43,653.90x = 1,883,791,024.11
  5. Step 5: Solve for x
    x = 1,883,791,024.11/43,653.90
  6. Step 6: Final answer
    x = 43,152.87

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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.