Home / 28,000.10-41,951.55-18,134.30

Finding the Fourth Proportional to 28,000.10, 41,951.55 and 18,134.30

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Solution

The fourth proportional to 28,000.10, 41,951.55 and 18,134.30 is: 27,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,000.10 : 41,951.55 = 18,134.30 : x
  2. Step 2: Convert to fraction form
    28,000.10/41,951.55 = 18,134.30/x
  3. Step 3: Cross multiply
    28,000.10x = 41,951.55 × 18,134.30
  4. Step 4: Simplify right side
    28,000.10x = 760,761,993.17
  5. Step 5: Solve for x
    x = 760,761,993.17/28,000.10
  6. Step 6: Final answer
    x = 27,169.97

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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.