Home / 28,352.70-42,533.10-9,633.60

Finding the Fourth Proportional to 28,352.70, 42,533.10 and 9,633.60

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Solution

The fourth proportional to 28,352.70, 42,533.10 and 9,633.60 is: 14,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.70 : 42,533.10 = 9,633.60 : x
  2. Step 2: Convert to fraction form
    28,352.70/42,533.10 = 9,633.60/x
  3. Step 3: Cross multiply
    28,352.70x = 42,533.10 × 9,633.60
  4. Step 4: Simplify right side
    28,352.70x = 409,746,872.16
  5. Step 5: Solve for x
    x = 409,746,872.16/28,352.70
  6. Step 6: Final answer
    x = 14,451.78

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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.