Home / 27,096.72-37,406.24-20,384.90

Finding the Fourth Proportional to 27,096.72, 37,406.24 and 20,384.90

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Solution

The fourth proportional to 27,096.72, 37,406.24 and 20,384.90 is: 28,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,096.72 : 37,406.24 = 20,384.90 : x
  2. Step 2: Convert to fraction form
    27,096.72/37,406.24 = 20,384.90/x
  3. Step 3: Cross multiply
    27,096.72x = 37,406.24 × 20,384.90
  4. Step 4: Simplify right side
    27,096.72x = 762,522,461.78
  5. Step 5: Solve for x
    x = 762,522,461.78/27,096.72
  6. Step 6: Final answer
    x = 28,140.77

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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.