Home / 27,940.80-38,561.82-17,332.02

Finding the Fourth Proportional to 27,940.80, 38,561.82 and 17,332.02

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Solution

The fourth proportional to 27,940.80, 38,561.82 and 17,332.02 is: 23,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,940.80 : 38,561.82 = 17,332.02 : x
  2. Step 2: Convert to fraction form
    27,940.80/38,561.82 = 17,332.02/x
  3. Step 3: Cross multiply
    27,940.80x = 38,561.82 × 17,332.02
  4. Step 4: Simplify right side
    27,940.80x = 668,354,235.48
  5. Step 5: Solve for x
    x = 668,354,235.48/27,940.80
  6. Step 6: Final answer
    x = 23,920.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.