Home / 20,504.76-28,296.57-11,073.33

Finding the Fourth Proportional to 20,504.76, 28,296.57 and 11,073.33

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Solution

The fourth proportional to 20,504.76, 28,296.57 and 11,073.33 is: 15,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.76 : 28,296.57 = 11,073.33 : x
  2. Step 2: Convert to fraction form
    20,504.76/28,296.57 = 11,073.33/x
  3. Step 3: Cross multiply
    20,504.76x = 28,296.57 × 11,073.33
  4. Step 4: Simplify right side
    20,504.76x = 313,337,116.00
  5. Step 5: Solve for x
    x = 313,337,116.00/20,504.76
  6. Step 6: Final answer
    x = 15,281.19

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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.