Home / 27,478.11-37,921.26-17,402.85

Finding the Fourth Proportional to 27,478.11, 37,921.26 and 17,402.85

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Solution

The fourth proportional to 27,478.11, 37,921.26 and 17,402.85 is: 24,016.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.11 : 37,921.26 = 17,402.85 : x
  2. Step 2: Convert to fraction form
    27,478.11/37,921.26 = 17,402.85/x
  3. Step 3: Cross multiply
    27,478.11x = 37,921.26 × 17,402.85
  4. Step 4: Simplify right side
    27,478.11x = 659,937,999.59
  5. Step 5: Solve for x
    x = 659,937,999.59/27,478.11
  6. Step 6: Final answer
    x = 24,016.86

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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.