Home / 27,142.50-37,456.62-15,043.80

Finding the Fourth Proportional to 27,142.50, 37,456.62 and 15,043.80

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Solution

The fourth proportional to 27,142.50, 37,456.62 and 15,043.80 is: 20,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.50 : 37,456.62 = 15,043.80 : x
  2. Step 2: Convert to fraction form
    27,142.50/37,456.62 = 15,043.80/x
  3. Step 3: Cross multiply
    27,142.50x = 37,456.62 × 15,043.80
  4. Step 4: Simplify right side
    27,142.50x = 563,489,899.96
  5. Step 5: Solve for x
    x = 563,489,899.96/27,142.50
  6. Step 6: Final answer
    x = 20,760.43

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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.