Home / 20,025.59-27,636.53-11,072.90

Finding the Fourth Proportional to 20,025.59, 27,636.53 and 11,072.90

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Solution

The fourth proportional to 20,025.59, 27,636.53 and 11,072.90 is: 15,281.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.59 : 27,636.53 = 11,072.90 : x
  2. Step 2: Convert to fraction form
    20,025.59/27,636.53 = 11,072.90/x
  3. Step 3: Cross multiply
    20,025.59x = 27,636.53 × 11,072.90
  4. Step 4: Simplify right side
    20,025.59x = 306,016,533.04
  5. Step 5: Solve for x
    x = 306,016,533.04/20,025.59
  6. Step 6: Final answer
    x = 15,281.27

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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.