Home / 28,700.26-43,049.21-9,984.53

Finding the Fourth Proportional to 28,700.26, 43,049.21 and 9,984.53

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Solution

The fourth proportional to 28,700.26, 43,049.21 and 9,984.53 is: 14,976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.26 : 43,049.21 = 9,984.53 : x
  2. Step 2: Convert to fraction form
    28,700.26/43,049.21 = 9,984.53/x
  3. Step 3: Cross multiply
    28,700.26x = 43,049.21 × 9,984.53
  4. Step 4: Simplify right side
    28,700.26x = 429,826,186.42
  5. Step 5: Solve for x
    x = 429,826,186.42/28,700.26
  6. Step 6: Final answer
    x = 14,976.39

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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.