Home / 26,728.95-36,889.85-15,396.24

Finding the Fourth Proportional to 26,728.95, 36,889.85 and 15,396.24

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Solution

The fourth proportional to 26,728.95, 36,889.85 and 15,396.24 is: 21,249.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.95 : 36,889.85 = 15,396.24 : x
  2. Step 2: Convert to fraction form
    26,728.95/36,889.85 = 15,396.24/x
  3. Step 3: Cross multiply
    26,728.95x = 36,889.85 × 15,396.24
  4. Step 4: Simplify right side
    26,728.95x = 567,965,022.65
  5. Step 5: Solve for x
    x = 567,965,022.65/26,728.95
  6. Step 6: Final answer
    x = 21,249.06

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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.