Home / 28,270.32-42,406.68-9,550.80

Finding the Fourth Proportional to 28,270.32, 42,406.68 and 9,550.80

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Solution

The fourth proportional to 28,270.32, 42,406.68 and 9,550.80 is: 14,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270.32 : 42,406.68 = 9,550.80 : x
  2. Step 2: Convert to fraction form
    28,270.32/42,406.68 = 9,550.80/x
  3. Step 3: Cross multiply
    28,270.32x = 42,406.68 × 9,550.80
  4. Step 4: Simplify right side
    28,270.32x = 405,017,719.34
  5. Step 5: Solve for x
    x = 405,017,719.34/28,270.32
  6. Step 6: Final answer
    x = 14,326.61

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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.