Home / 26,945.72-40,402.71-10,306.97

Finding the Fourth Proportional to 26,945.72, 40,402.71 and 10,306.97

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Solution

The fourth proportional to 26,945.72, 40,402.71 and 10,306.97 is: 15,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.72 : 40,402.71 = 10,306.97 : x
  2. Step 2: Convert to fraction form
    26,945.72/40,402.71 = 10,306.97/x
  3. Step 3: Cross multiply
    26,945.72x = 40,402.71 × 10,306.97
  4. Step 4: Simplify right side
    26,945.72x = 416,429,317.88
  5. Step 5: Solve for x
    x = 416,429,317.88/26,945.72
  6. Step 6: Final answer
    x = 15,454.38

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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.