Home / 26,147.38-39,183.63-20,276.50

Finding the Fourth Proportional to 26,147.38, 39,183.63 and 20,276.50

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Solution

The fourth proportional to 26,147.38, 39,183.63 and 20,276.50 is: 30,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,147.38 : 39,183.63 = 20,276.50 : x
  2. Step 2: Convert to fraction form
    26,147.38/39,183.63 = 20,276.50/x
  3. Step 3: Cross multiply
    26,147.38x = 39,183.63 × 20,276.50
  4. Step 4: Simplify right side
    26,147.38x = 794,506,873.70
  5. Step 5: Solve for x
    x = 794,506,873.70/26,147.38
  6. Step 6: Final answer
    x = 30,385.72

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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.