Home / 27,618.10-41,386.18-20,286.26

Finding the Fourth Proportional to 27,618.10, 41,386.18 and 20,286.26

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Solution

The fourth proportional to 27,618.10, 41,386.18 and 20,286.26 is: 30,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.10 : 41,386.18 = 20,286.26 : x
  2. Step 2: Convert to fraction form
    27,618.10/41,386.18 = 20,286.26/x
  3. Step 3: Cross multiply
    27,618.10x = 41,386.18 × 20,286.26
  4. Step 4: Simplify right side
    27,618.10x = 839,570,807.89
  5. Step 5: Solve for x
    x = 839,570,807.89/27,618.10
  6. Step 6: Final answer
    x = 30,399.30

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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.