Home / 18,026.82-26,873.60-17,742.78

Finding the Fourth Proportional to 18,026.82, 26,873.60 and 17,742.78

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Solution

The fourth proportional to 18,026.82, 26,873.60 and 17,742.78 is: 26,450.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.82 : 26,873.60 = 17,742.78 : x
  2. Step 2: Convert to fraction form
    18,026.82/26,873.60 = 17,742.78/x
  3. Step 3: Cross multiply
    18,026.82x = 26,873.60 × 17,742.78
  4. Step 4: Simplify right side
    18,026.82x = 476,812,283.89
  5. Step 5: Solve for x
    x = 476,812,283.89/18,026.82
  6. Step 6: Final answer
    x = 26,450.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.