Home / 28,272.32-42,409.68-9,552.80

Finding the Fourth Proportional to 28,272.32, 42,409.68 and 9,552.80

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Solution

The fourth proportional to 28,272.32, 42,409.68 and 9,552.80 is: 14,329.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.32 : 42,409.68 = 9,552.80 : x
  2. Step 2: Convert to fraction form
    28,272.32/42,409.68 = 9,552.80/x
  3. Step 3: Cross multiply
    28,272.32x = 42,409.68 × 9,552.80
  4. Step 4: Simplify right side
    28,272.32x = 405,131,191.10
  5. Step 5: Solve for x
    x = 405,131,191.10/28,272.32
  6. Step 6: Final answer
    x = 14,329.61

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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.