Home / 27,618.24-38,114.25-15,682.70

Finding the Fourth Proportional to 27,618.24, 38,114.25 and 15,682.70

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Solution

The fourth proportional to 27,618.24, 38,114.25 and 15,682.70 is: 21,642.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,618.24 : 38,114.25 = 15,682.70 : x
  2. Step 2: Convert to fraction form
    27,618.24/38,114.25 = 15,682.70/x
  3. Step 3: Cross multiply
    27,618.24x = 38,114.25 × 15,682.70
  4. Step 4: Simplify right side
    27,618.24x = 597,734,157.90
  5. Step 5: Solve for x
    x = 597,734,157.90/27,618.24
  6. Step 6: Final answer
    x = 21,642.73

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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.