Home / 27,920.94-41,876.64-9,201.18

Finding the Fourth Proportional to 27,920.94, 41,876.64 and 9,201.18

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Solution

The fourth proportional to 27,920.94, 41,876.64 and 9,201.18 is: 13,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.94 : 41,876.64 = 9,201.18 : x
  2. Step 2: Convert to fraction form
    27,920.94/41,876.64 = 9,201.18/x
  3. Step 3: Cross multiply
    27,920.94x = 41,876.64 × 9,201.18
  4. Step 4: Simplify right side
    27,920.94x = 385,314,502.44
  5. Step 5: Solve for x
    x = 385,314,502.44/27,920.94
  6. Step 6: Final answer
    x = 13,800.20

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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.