Home / 26,950.08-40,399.20-13,808.64

Finding the Fourth Proportional to 26,950.08, 40,399.20 and 13,808.64

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Solution

The fourth proportional to 26,950.08, 40,399.20 and 13,808.64 is: 20,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,950.08 : 40,399.20 = 13,808.64 : x
  2. Step 2: Convert to fraction form
    26,950.08/40,399.20 = 13,808.64/x
  3. Step 3: Cross multiply
    26,950.08x = 40,399.20 × 13,808.64
  4. Step 4: Simplify right side
    26,950.08x = 557,858,009.09
  5. Step 5: Solve for x
    x = 557,858,009.09/26,950.08
  6. Step 6: Final answer
    x = 20,699.68

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1.5x scale

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.