Home / 19,885.15-27,441.43-10,932.62

Finding the Fourth Proportional to 19,885.15, 27,441.43 and 10,932.62

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Solution

The fourth proportional to 19,885.15, 27,441.43 and 10,932.62 is: 15,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885.15 : 27,441.43 = 10,932.62 : x
  2. Step 2: Convert to fraction form
    19,885.15/27,441.43 = 10,932.62/x
  3. Step 3: Cross multiply
    19,885.15x = 27,441.43 × 10,932.62
  4. Step 4: Simplify right side
    19,885.15x = 300,006,777.76
  5. Step 5: Solve for x
    x = 300,006,777.76/19,885.15
  6. Step 6: Final answer
    x = 15,086.98

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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.