Home / 27,555.12-41,268.24-20,140.92

Finding the Fourth Proportional to 27,555.12, 41,268.24 and 20,140.92

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Solution

The fourth proportional to 27,555.12, 41,268.24 and 20,140.92 is: 30,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.12 : 41,268.24 = 20,140.92 : x
  2. Step 2: Convert to fraction form
    27,555.12/41,268.24 = 20,140.92/x
  3. Step 3: Cross multiply
    27,555.12x = 41,268.24 × 20,140.92
  4. Step 4: Simplify right side
    27,555.12x = 831,180,320.38
  5. Step 5: Solve for x
    x = 831,180,320.38/27,555.12
  6. Step 6: Final answer
    x = 30,164.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.