Home / 27,766.65-38,317.67-15,191.25

Finding the Fourth Proportional to 27,766.65, 38,317.67 and 15,191.25

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Solution

The fourth proportional to 27,766.65, 38,317.67 and 15,191.25 is: 20,963.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.65 : 38,317.67 = 15,191.25 : x
  2. Step 2: Convert to fraction form
    27,766.65/38,317.67 = 15,191.25/x
  3. Step 3: Cross multiply
    27,766.65x = 38,317.67 × 15,191.25
  4. Step 4: Simplify right side
    27,766.65x = 582,093,228.43
  5. Step 5: Solve for x
    x = 582,093,228.43/27,766.65
  6. Step 6: Final answer
    x = 20,963.75

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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.