Home / 26,662.20-36,791.68-15,331.08

Finding the Fourth Proportional to 26,662.20, 36,791.68 and 15,331.08

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Solution

The fourth proportional to 26,662.20, 36,791.68 and 15,331.08 is: 21,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,662.20 : 36,791.68 = 15,331.08 : x
  2. Step 2: Convert to fraction form
    26,662.20/36,791.68 = 15,331.08/x
  3. Step 3: Cross multiply
    26,662.20x = 36,791.68 × 15,331.08
  4. Step 4: Simplify right side
    26,662.20x = 564,056,189.41
  5. Step 5: Solve for x
    x = 564,056,189.41/26,662.20
  6. Step 6: Final answer
    x = 21,155.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.