Home / 28,273.50-42,410.25-8,551.62

Finding the Fourth Proportional to 28,273.50, 42,410.25 and 8,551.62

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Solution

The fourth proportional to 28,273.50, 42,410.25 and 8,551.62 is: 12,827.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.50 : 42,410.25 = 8,551.62 : x
  2. Step 2: Convert to fraction form
    28,273.50/42,410.25 = 8,551.62/x
  3. Step 3: Cross multiply
    28,273.50x = 42,410.25 × 8,551.62
  4. Step 4: Simplify right side
    28,273.50x = 362,676,342.11
  5. Step 5: Solve for x
    x = 362,676,342.11/28,273.50
  6. Step 6: Final answer
    x = 12,827.43

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Double scale
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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.