Home / 25,314.27-34,919.85-15,236.64

Finding the Fourth Proportional to 25,314.27, 34,919.85 and 15,236.64

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Solution

The fourth proportional to 25,314.27, 34,919.85 and 15,236.64 is: 21,018.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,314.27 : 34,919.85 = 15,236.64 : x
  2. Step 2: Convert to fraction form
    25,314.27/34,919.85 = 15,236.64/x
  3. Step 3: Cross multiply
    25,314.27x = 34,919.85 × 15,236.64
  4. Step 4: Simplify right side
    25,314.27x = 532,061,183.30
  5. Step 5: Solve for x
    x = 532,061,183.30/25,314.27
  6. Step 6: Final answer
    x = 21,018.23

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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.