Home / 26,579.80-39,871.14-9,944.20

Finding the Fourth Proportional to 26,579.80, 39,871.14 and 9,944.20

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Solution

The fourth proportional to 26,579.80, 39,871.14 and 9,944.20 is: 14,916.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,579.80 : 39,871.14 = 9,944.20 : x
  2. Step 2: Convert to fraction form
    26,579.80/39,871.14 = 9,944.20/x
  3. Step 3: Cross multiply
    26,579.80x = 39,871.14 × 9,944.20
  4. Step 4: Simplify right side
    26,579.80x = 396,486,590.39
  5. Step 5: Solve for x
    x = 396,486,590.39/26,579.80
  6. Step 6: Final answer
    x = 14,916.84

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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.