Home / 27,904.81-41,857.22-12,319.33

Finding the Fourth Proportional to 27,904.81, 41,857.22 and 12,319.33

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Solution

The fourth proportional to 27,904.81, 41,857.22 and 12,319.33 is: 18,479.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.81 : 41,857.22 = 12,319.33 : x
  2. Step 2: Convert to fraction form
    27,904.81/41,857.22 = 12,319.33/x
  3. Step 3: Cross multiply
    27,904.81x = 41,857.22 × 12,319.33
  4. Step 4: Simplify right side
    27,904.81x = 515,652,906.06
  5. Step 5: Solve for x
    x = 515,652,906.06/27,904.81
  6. Step 6: Final answer
    x = 18,479.00

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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.