Home / 28,849.10-43,277.70-9,125.60

Finding the Fourth Proportional to 28,849.10, 43,277.70 and 9,125.60

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Solution

The fourth proportional to 28,849.10, 43,277.70 and 9,125.60 is: 13,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.10 : 43,277.70 = 9,125.60 : x
  2. Step 2: Convert to fraction form
    28,849.10/43,277.70 = 9,125.60/x
  3. Step 3: Cross multiply
    28,849.10x = 43,277.70 × 9,125.60
  4. Step 4: Simplify right side
    28,849.10x = 394,934,979.12
  5. Step 5: Solve for x
    x = 394,934,979.12/28,849.10
  6. Step 6: Final answer
    x = 13,689.68

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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.