Home / 28,471.08-42,713.34-9,752.04

Finding the Fourth Proportional to 28,471.08, 42,713.34 and 9,752.04

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Solution

The fourth proportional to 28,471.08, 42,713.34 and 9,752.04 is: 14,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471.08 : 42,713.34 = 9,752.04 : x
  2. Step 2: Convert to fraction form
    28,471.08/42,713.34 = 9,752.04/x
  3. Step 3: Cross multiply
    28,471.08x = 42,713.34 × 9,752.04
  4. Step 4: Simplify right side
    28,471.08x = 416,542,200.21
  5. Step 5: Solve for x
    x = 416,542,200.21/28,471.08
  6. Step 6: Final answer
    x = 14,630.36

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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.