Home / 27,388.19-41,082.29-8,920.19

Finding the Fourth Proportional to 27,388.19, 41,082.29 and 8,920.19

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Solution

The fourth proportional to 27,388.19, 41,082.29 and 8,920.19 is: 13,380.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,388.19 : 41,082.29 = 8,920.19 : x
  2. Step 2: Convert to fraction form
    27,388.19/41,082.29 = 8,920.19/x
  3. Step 3: Cross multiply
    27,388.19x = 41,082.29 × 8,920.19
  4. Step 4: Simplify right side
    27,388.19x = 366,461,787.83
  5. Step 5: Solve for x
    x = 366,461,787.83/27,388.19
  6. Step 6: Final answer
    x = 13,380.29

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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.