Home / 28,944.60-43,406.10-11,410.80

Finding the Fourth Proportional to 28,944.60, 43,406.10 and 11,410.80

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Solution

The fourth proportional to 28,944.60, 43,406.10 and 11,410.80 is: 17,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,944.60 : 43,406.10 = 11,410.80 : x
  2. Step 2: Convert to fraction form
    28,944.60/43,406.10 = 11,410.80/x
  3. Step 3: Cross multiply
    28,944.60x = 43,406.10 × 11,410.80
  4. Step 4: Simplify right side
    28,944.60x = 495,298,325.88
  5. Step 5: Solve for x
    x = 495,298,325.88/28,944.60
  6. Step 6: Final answer
    x = 17,111.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.