Home / 20,824.10-28,737.17-11,263.99

Finding the Fourth Proportional to 20,824.10, 28,737.17 and 11,263.99

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Solution

The fourth proportional to 20,824.10, 28,737.17 and 11,263.99 is: 15,544.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.10 : 28,737.17 = 11,263.99 : x
  2. Step 2: Convert to fraction form
    20,824.10/28,737.17 = 11,263.99/x
  3. Step 3: Cross multiply
    20,824.10x = 28,737.17 × 11,263.99
  4. Step 4: Simplify right side
    20,824.10x = 323,695,067.35
  5. Step 5: Solve for x
    x = 323,695,067.35/20,824.10
  6. Step 6: Final answer
    x = 15,544.26

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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.