Home / 27,087.89-40,622.49-13,755.74

Finding the Fourth Proportional to 27,087.89, 40,622.49 and 13,755.74

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Solution

The fourth proportional to 27,087.89, 40,622.49 and 13,755.74 is: 20,628.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,087.89 : 40,622.49 = 13,755.74 : x
  2. Step 2: Convert to fraction form
    27,087.89/40,622.49 = 13,755.74/x
  3. Step 3: Cross multiply
    27,087.89x = 40,622.49 × 13,755.74
  4. Step 4: Simplify right side
    27,087.89x = 558,792,207.48
  5. Step 5: Solve for x
    x = 558,792,207.48/27,087.89
  6. Step 6: Final answer
    x = 20,628.86

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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.