Home / 17,790.96-26,686.38-16,904.10

Finding the Fourth Proportional to 17,790.96, 26,686.38 and 16,904.10

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Solution

The fourth proportional to 17,790.96, 26,686.38 and 16,904.10 is: 25,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.96 : 26,686.38 = 16,904.10 : x
  2. Step 2: Convert to fraction form
    17,790.96/26,686.38 = 16,904.10/x
  3. Step 3: Cross multiply
    17,790.96x = 26,686.38 × 16,904.10
  4. Step 4: Simplify right side
    17,790.96x = 451,109,236.16
  5. Step 5: Solve for x
    x = 451,109,236.16/17,790.96
  6. Step 6: Final answer
    x = 25,356.09

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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.