Home / 19,885.32-27,441.90-10,932.57

Finding the Fourth Proportional to 19,885.32, 27,441.90 and 10,932.57

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Solution

The fourth proportional to 19,885.32, 27,441.90 and 10,932.57 is: 15,087.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.32 : 27,441.90 = 10,932.57 : x
  2. Step 2: Convert to fraction form
    19,885.32/27,441.90 = 10,932.57/x
  3. Step 3: Cross multiply
    19,885.32x = 27,441.90 × 10,932.57
  4. Step 4: Simplify right side
    19,885.32x = 300,010,492.68
  5. Step 5: Solve for x
    x = 300,010,492.68/19,885.32
  6. Step 6: Final answer
    x = 15,087.03

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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.