Home / 28,183.20-42,277.68-9,710.88

Finding the Fourth Proportional to 28,183.20, 42,277.68 and 9,710.88

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Solution

The fourth proportional to 28,183.20, 42,277.68 and 9,710.88 is: 14,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,183.20 : 42,277.68 = 9,710.88 : x
  2. Step 2: Convert to fraction form
    28,183.20/42,277.68 = 9,710.88/x
  3. Step 3: Cross multiply
    28,183.20x = 42,277.68 × 9,710.88
  4. Step 4: Simplify right side
    28,183.20x = 410,553,477.16
  5. Step 5: Solve for x
    x = 410,553,477.16/28,183.20
  6. Step 6: Final answer
    x = 14,567.31

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1.5x scale

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.