Home / 26,053.92-39,036.72-18,620.64

Finding the Fourth Proportional to 26,053.92, 39,036.72 and 18,620.64

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Solution

The fourth proportional to 26,053.92, 39,036.72 and 18,620.64 is: 27,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,053.92 : 39,036.72 = 18,620.64 : x
  2. Step 2: Convert to fraction form
    26,053.92/39,036.72 = 18,620.64/x
  3. Step 3: Cross multiply
    26,053.92x = 39,036.72 × 18,620.64
  4. Step 4: Simplify right side
    26,053.92x = 726,888,709.90
  5. Step 5: Solve for x
    x = 726,888,709.90/26,053.92
  6. Step 6: Final answer
    x = 27,899.40

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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.