Home / 26,619.84-36,716.40-18,663.84

Finding the Fourth Proportional to 26,619.84, 36,716.40 and 18,663.84

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Solution

The fourth proportional to 26,619.84, 36,716.40 and 18,663.84 is: 25,742.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,619.84 : 36,716.40 = 18,663.84 : x
  2. Step 2: Convert to fraction form
    26,619.84/36,716.40 = 18,663.84/x
  3. Step 3: Cross multiply
    26,619.84x = 36,716.40 × 18,663.84
  4. Step 4: Simplify right side
    26,619.84x = 685,269,014.98
  5. Step 5: Solve for x
    x = 685,269,014.98/26,619.84
  6. Step 6: Final answer
    x = 25,742.79

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1.5x scale

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.