Home / 27,096.21-37,405.56-20,384.40

Finding the Fourth Proportional to 27,096.21, 37,405.56 and 20,384.40

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Solution

The fourth proportional to 27,096.21, 37,405.56 and 20,384.40 is: 28,140.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,096.21 : 37,405.56 = 20,384.40 : x
  2. Step 2: Convert to fraction form
    27,096.21/37,405.56 = 20,384.40/x
  3. Step 3: Cross multiply
    27,096.21x = 37,405.56 × 20,384.40
  4. Step 4: Simplify right side
    27,096.21x = 762,489,897.26
  5. Step 5: Solve for x
    x = 762,489,897.26/27,096.21
  6. Step 6: Final answer
    x = 28,140.09

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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.