Home / 28,191.30-42,261.76-10,673.43

Finding the Fourth Proportional to 28,191.30, 42,261.76 and 10,673.43

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Solution

The fourth proportional to 28,191.30, 42,261.76 and 10,673.43 is: 16,000.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.30 : 42,261.76 = 10,673.43 : x
  2. Step 2: Convert to fraction form
    28,191.30/42,261.76 = 10,673.43/x
  3. Step 3: Cross multiply
    28,191.30x = 42,261.76 × 10,673.43
  4. Step 4: Simplify right side
    28,191.30x = 451,077,937.04
  5. Step 5: Solve for x
    x = 451,077,937.04/28,191.30
  6. Step 6: Final answer
    x = 16,000.61

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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.