Home / 27,389.45-41,084.16-8,921.45

Finding the Fourth Proportional to 27,389.45, 41,084.16 and 8,921.45

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Solution

The fourth proportional to 27,389.45, 41,084.16 and 8,921.45 is: 13,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,389.45 : 41,084.16 = 8,921.45 : x
  2. Step 2: Convert to fraction form
    27,389.45/41,084.16 = 8,921.45/x
  3. Step 3: Cross multiply
    27,389.45x = 41,084.16 × 8,921.45
  4. Step 4: Simplify right side
    27,389.45x = 366,530,073.81
  5. Step 5: Solve for x
    x = 366,530,073.81/27,389.45
  6. Step 6: Final answer
    x = 13,382.17

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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.