Home / 26,581.60-36,642-17,138.08

Finding the Fourth Proportional to 26,581.60, 36,642 and 17,138.08

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Solution

The fourth proportional to 26,581.60, 36,642 and 17,138.08 is: 23,624.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,581.60 : 36,642 = 17,138.08 : x
  2. Step 2: Convert to fraction form
    26,581.60/36,642 = 17,138.08/x
  3. Step 3: Cross multiply
    26,581.60x = 36,642 × 17,138.08
  4. Step 4: Simplify right side
    26,581.60x = 627,973,527.36
  5. Step 5: Solve for x
    x = 627,973,527.36/26,581.60
  6. Step 6: Final answer
    x = 23,624.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.