Home / 27,105.81-40,658.22-11,319.33

Finding the Fourth Proportional to 27,105.81, 40,658.22 and 11,319.33

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Solution

The fourth proportional to 27,105.81, 40,658.22 and 11,319.33 is: 16,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.81 : 40,658.22 = 11,319.33 : x
  2. Step 2: Convert to fraction form
    27,105.81/40,658.22 = 11,319.33/x
  3. Step 3: Cross multiply
    27,105.81x = 40,658.22 × 11,319.33
  4. Step 4: Simplify right side
    27,105.81x = 460,223,809.39
  5. Step 5: Solve for x
    x = 460,223,809.39/27,105.81
  6. Step 6: Final answer
    x = 16,978.79

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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.