Home / 26,489.82-36,559.19-15,311.82

Finding the Fourth Proportional to 26,489.82, 36,559.19 and 15,311.82

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Solution

The fourth proportional to 26,489.82, 36,559.19 and 15,311.82 is: 21,132.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.82 : 36,559.19 = 15,311.82 : x
  2. Step 2: Convert to fraction form
    26,489.82/36,559.19 = 15,311.82/x
  3. Step 3: Cross multiply
    26,489.82x = 36,559.19 × 15,311.82
  4. Step 4: Simplify right side
    26,489.82x = 559,787,660.07
  5. Step 5: Solve for x
    x = 559,787,660.07/26,489.82
  6. Step 6: Final answer
    x = 21,132.18

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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.