Home / 27,766.50-38,317.78-15,191.52

Finding the Fourth Proportional to 27,766.50, 38,317.78 and 15,191.52

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Solution

The fourth proportional to 27,766.50, 38,317.78 and 15,191.52 is: 20,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,766.50 : 38,317.78 = 15,191.52 : x
  2. Step 2: Convert to fraction form
    27,766.50/38,317.78 = 15,191.52/x
  3. Step 3: Cross multiply
    27,766.50x = 38,317.78 × 15,191.52
  4. Step 4: Simplify right side
    27,766.50x = 582,105,321.23
  5. Step 5: Solve for x
    x = 582,105,321.23/27,766.50
  6. Step 6: Final answer
    x = 20,964.30

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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.