Home / 27,191.38-40,782.20-17,301.28

Finding the Fourth Proportional to 27,191.38, 40,782.20 and 17,301.28

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Solution

The fourth proportional to 27,191.38, 40,782.20 and 17,301.28 is: 25,948.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.38 : 40,782.20 = 17,301.28 : x
  2. Step 2: Convert to fraction form
    27,191.38/40,782.20 = 17,301.28/x
  3. Step 3: Cross multiply
    27,191.38x = 40,782.20 × 17,301.28
  4. Step 4: Simplify right side
    27,191.38x = 705,584,261.22
  5. Step 5: Solve for x
    x = 705,584,261.22/27,191.38
  6. Step 6: Final answer
    x = 25,948.82

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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.