Home / 27,191.50-37,524.36-15,868.78

Finding the Fourth Proportional to 27,191.50, 37,524.36 and 15,868.78

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Solution

The fourth proportional to 27,191.50, 37,524.36 and 15,868.78 is: 21,898.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,191.50 : 37,524.36 = 15,868.78 : x
  2. Step 2: Convert to fraction form
    27,191.50/37,524.36 = 15,868.78/x
  3. Step 3: Cross multiply
    27,191.50x = 37,524.36 × 15,868.78
  4. Step 4: Simplify right side
    27,191.50x = 595,465,813.48
  5. Step 5: Solve for x
    x = 595,465,813.48/27,191.50
  6. Step 6: Final answer
    x = 21,898.97

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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.