Home / 20,535.58-28,336.72-11,583.23

Finding the Fourth Proportional to 20,535.58, 28,336.72 and 11,583.23

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Solution

The fourth proportional to 20,535.58, 28,336.72 and 11,583.23 is: 15,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,535.58 : 28,336.72 = 11,583.23 : x
  2. Step 2: Convert to fraction form
    20,535.58/28,336.72 = 11,583.23/x
  3. Step 3: Cross multiply
    20,535.58x = 28,336.72 × 11,583.23
  4. Step 4: Simplify right side
    20,535.58x = 328,230,745.21
  5. Step 5: Solve for x
    x = 328,230,745.21/20,535.58
  6. Step 6: Final answer
    x = 15,983.51

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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.