Home / 43,538.42-65,307.64-28,743.88

Finding the Fourth Proportional to 43,538.42, 65,307.64 and 28,743.88

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Solution

The fourth proportional to 43,538.42, 65,307.64 and 28,743.88 is: 43,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538.42 : 65,307.64 = 28,743.88 : x
  2. Step 2: Convert to fraction form
    43,538.42/65,307.64 = 28,743.88/x
  3. Step 3: Cross multiply
    43,538.42x = 65,307.64 × 28,743.88
  4. Step 4: Simplify right side
    43,538.42x = 1,877,194,967.24
  5. Step 5: Solve for x
    x = 1,877,194,967.24/43,538.42
  6. Step 6: Final answer
    x = 43,115.83

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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.