Home / 26,629.72-39,937.70-7,905.32

Finding the Fourth Proportional to 26,629.72, 39,937.70 and 7,905.32

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Solution

The fourth proportional to 26,629.72, 39,937.70 and 7,905.32 is: 11,855.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.72 : 39,937.70 = 7,905.32 : x
  2. Step 2: Convert to fraction form
    26,629.72/39,937.70 = 7,905.32/x
  3. Step 3: Cross multiply
    26,629.72x = 39,937.70 × 7,905.32
  4. Step 4: Simplify right side
    26,629.72x = 315,720,298.56
  5. Step 5: Solve for x
    x = 315,720,298.56/26,629.72
  6. Step 6: Final answer
    x = 11,855.94

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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.