Home / 26,621.74-39,936.21-9,086.86

Finding the Fourth Proportional to 26,621.74, 39,936.21 and 9,086.86

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Solution

The fourth proportional to 26,621.74, 39,936.21 and 9,086.86 is: 13,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,621.74 : 39,936.21 = 9,086.86 : x
  2. Step 2: Convert to fraction form
    26,621.74/39,936.21 = 9,086.86/x
  3. Step 3: Cross multiply
    26,621.74x = 39,936.21 × 9,086.86
  4. Step 4: Simplify right side
    26,621.74x = 362,894,749.20
  5. Step 5: Solve for x
    x = 362,894,749.20/26,621.74
  6. Step 6: Final answer
    x = 13,631.52

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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.