Home / 20,226.71-27,894.68-12,673.85

Finding the Fourth Proportional to 20,226.71, 27,894.68 and 12,673.85

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Solution

The fourth proportional to 20,226.71, 27,894.68 and 12,673.85 is: 17,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.71 : 27,894.68 = 12,673.85 : x
  2. Step 2: Convert to fraction form
    20,226.71/27,894.68 = 12,673.85/x
  3. Step 3: Cross multiply
    20,226.71x = 27,894.68 × 12,673.85
  4. Step 4: Simplify right side
    20,226.71x = 353,532,787.28
  5. Step 5: Solve for x
    x = 353,532,787.28/20,226.71
  6. Step 6: Final answer
    x = 17,478.52

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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.