Home / 20,026.45-27,636.21-11,073.76

Finding the Fourth Proportional to 20,026.45, 27,636.21 and 11,073.76

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Solution

The fourth proportional to 20,026.45, 27,636.21 and 11,073.76 is: 15,281.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,026.45 : 27,636.21 = 11,073.76 : x
  2. Step 2: Convert to fraction form
    20,026.45/27,636.21 = 11,073.76/x
  3. Step 3: Cross multiply
    20,026.45x = 27,636.21 × 11,073.76
  4. Step 4: Simplify right side
    20,026.45x = 306,036,618.67
  5. Step 5: Solve for x
    x = 306,036,618.67/20,026.45
  6. Step 6: Final answer
    x = 15,281.62

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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.