Home / 20,893.44-28,832.95-11,461.80

Finding the Fourth Proportional to 20,893.44, 28,832.95 and 11,461.80

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Solution

The fourth proportional to 20,893.44, 28,832.95 and 11,461.80 is: 15,817.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,893.44 : 28,832.95 = 11,461.80 : x
  2. Step 2: Convert to fraction form
    20,893.44/28,832.95 = 11,461.80/x
  3. Step 3: Cross multiply
    20,893.44x = 28,832.95 × 11,461.80
  4. Step 4: Simplify right side
    20,893.44x = 330,477,449.00
  5. Step 5: Solve for x
    x = 330,477,449.00/20,893.44
  6. Step 6: Final answer
    x = 15,817.28

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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.