Home / 26,615.70-39,923.34-7,895.78

Finding the Fourth Proportional to 26,615.70, 39,923.34 and 7,895.78

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Solution

The fourth proportional to 26,615.70, 39,923.34 and 7,895.78 is: 11,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,615.70 : 39,923.34 = 7,895.78 : x
  2. Step 2: Convert to fraction form
    26,615.70/39,923.34 = 7,895.78/x
  3. Step 3: Cross multiply
    26,615.70x = 39,923.34 × 7,895.78
  4. Step 4: Simplify right side
    26,615.70x = 315,225,909.51
  5. Step 5: Solve for x
    x = 315,225,909.51/26,615.70
  6. Step 6: Final answer
    x = 11,843.61

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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.