Home / 19,884.42-27,440.78-10,932.30

Finding the Fourth Proportional to 19,884.42, 27,440.78 and 10,932.30

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Solution

The fourth proportional to 19,884.42, 27,440.78 and 10,932.30 is: 15,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,884.42 : 27,440.78 = 10,932.30 : x
  2. Step 2: Convert to fraction form
    19,884.42/27,440.78 = 10,932.30/x
  3. Step 3: Cross multiply
    19,884.42x = 27,440.78 × 10,932.30
  4. Step 4: Simplify right side
    19,884.42x = 299,990,784.53
  5. Step 5: Solve for x
    x = 299,990,784.53/19,884.42
  6. Step 6: Final answer
    x = 15,086.73

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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.