Home / 26,629.05-39,936.58-12,585.31

Finding the Fourth Proportional to 26,629.05, 39,936.58 and 12,585.31

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Solution

The fourth proportional to 26,629.05, 39,936.58 and 12,585.31 is: 18,874.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,629.05 : 39,936.58 = 12,585.31 : x
  2. Step 2: Convert to fraction form
    26,629.05/39,936.58 = 12,585.31/x
  3. Step 3: Cross multiply
    26,629.05x = 39,936.58 × 12,585.31
  4. Step 4: Simplify right side
    26,629.05x = 502,614,108.34
  5. Step 5: Solve for x
    x = 502,614,108.34/26,629.05
  6. Step 6: Final answer
    x = 18,874.65

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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.