Home / 26,659.60-39,969.24-16,127.28

Finding the Fourth Proportional to 26,659.60, 39,969.24 and 16,127.28

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Solution

The fourth proportional to 26,659.60, 39,969.24 and 16,127.28 is: 24,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.60 : 39,969.24 = 16,127.28 : x
  2. Step 2: Convert to fraction form
    26,659.60/39,969.24 = 16,127.28/x
  3. Step 3: Cross multiply
    26,659.60x = 39,969.24 × 16,127.28
  4. Step 4: Simplify right side
    26,659.60x = 644,595,124.87
  5. Step 5: Solve for x
    x = 644,595,124.87/26,659.60
  6. Step 6: Final answer
    x = 24,178.72

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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.