Home / 20,924.28-28,876.92-11,492.94

Finding the Fourth Proportional to 20,924.28, 28,876.92 and 11,492.94

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Solution

The fourth proportional to 20,924.28, 28,876.92 and 11,492.94 is: 15,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.28 : 28,876.92 = 11,492.94 : x
  2. Step 2: Convert to fraction form
    20,924.28/28,876.92 = 11,492.94/x
  3. Step 3: Cross multiply
    20,924.28x = 28,876.92 × 11,492.94
  4. Step 4: Simplify right side
    20,924.28x = 331,880,708.94
  5. Step 5: Solve for x
    x = 331,880,708.94/20,924.28
  6. Step 6: Final answer
    x = 15,861.03

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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.