Home / 28,252.32-42,379.68-9,532.80

Finding the Fourth Proportional to 28,252.32, 42,379.68 and 9,532.80

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Solution

The fourth proportional to 28,252.32, 42,379.68 and 9,532.80 is: 14,299.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.32 : 42,379.68 = 9,532.80 : x
  2. Step 2: Convert to fraction form
    28,252.32/42,379.68 = 9,532.80/x
  3. Step 3: Cross multiply
    28,252.32x = 42,379.68 × 9,532.80
  4. Step 4: Simplify right side
    28,252.32x = 403,997,013.50
  5. Step 5: Solve for x
    x = 403,997,013.50/28,252.32
  6. Step 6: Final answer
    x = 14,299.60

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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.