Home / 19,922.08-27,441.84-15,198.16

Finding the Fourth Proportional to 19,922.08, 27,441.84 and 15,198.16

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Solution

The fourth proportional to 19,922.08, 27,441.84 and 15,198.16 is: 20,934.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.08 : 27,441.84 = 15,198.16 : x
  2. Step 2: Convert to fraction form
    19,922.08/27,441.84 = 15,198.16/x
  3. Step 3: Cross multiply
    19,922.08x = 27,441.84 × 15,198.16
  4. Step 4: Simplify right side
    19,922.08x = 417,065,475.01
  5. Step 5: Solve for x
    x = 417,065,475.01/19,922.08
  6. Step 6: Final answer
    x = 20,934.84

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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.