Home / 20,333.00-28,059.53-11,380.50

Finding the Fourth Proportional to 20,333.00, 28,059.53 and 11,380.50

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Solution

The fourth proportional to 20,333.00, 28,059.53 and 11,380.50 is: 15,705.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.00 : 28,059.53 = 11,380.50 : x
  2. Step 2: Convert to fraction form
    20,333.00/28,059.53 = 11,380.50/x
  3. Step 3: Cross multiply
    20,333.00x = 28,059.53 × 11,380.50
  4. Step 4: Simplify right side
    20,333.00x = 319,331,509.62
  5. Step 5: Solve for x
    x = 319,331,509.62/20,333.00
  6. Step 6: Final answer
    x = 15,705.09

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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.