Home / 27,117.26-40,605.81-18,709.69

Finding the Fourth Proportional to 27,117.26, 40,605.81 and 18,709.69

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Solution

The fourth proportional to 27,117.26, 40,605.81 and 18,709.69 is: 28,016.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,117.26 : 40,605.81 = 18,709.69 : x
  2. Step 2: Convert to fraction form
    27,117.26/40,605.81 = 18,709.69/x
  3. Step 3: Cross multiply
    27,117.26x = 40,605.81 × 18,709.69
  4. Step 4: Simplify right side
    27,117.26x = 759,722,135.96
  5. Step 5: Solve for x
    x = 759,722,135.96/27,117.26
  6. Step 6: Final answer
    x = 28,016.18

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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.