Home / 28,344.82-42,523.56-8,624.92

Finding the Fourth Proportional to 28,344.82, 42,523.56 and 8,624.92

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Solution

The fourth proportional to 28,344.82, 42,523.56 and 8,624.92 is: 12,939.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,344.82 : 42,523.56 = 8,624.92 : x
  2. Step 2: Convert to fraction form
    28,344.82/42,523.56 = 8,624.92/x
  3. Step 3: Cross multiply
    28,344.82x = 42,523.56 × 8,624.92
  4. Step 4: Simplify right side
    28,344.82x = 366,762,132.68
  5. Step 5: Solve for x
    x = 366,762,132.68/28,344.82
  6. Step 6: Final answer
    x = 12,939.30

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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.