Home / 26,141.73-36,078.70-15,531.41

Finding the Fourth Proportional to 26,141.73, 36,078.70 and 15,531.41

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Solution

The fourth proportional to 26,141.73, 36,078.70 and 15,531.41 is: 21,435.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.73 : 36,078.70 = 15,531.41 : x
  2. Step 2: Convert to fraction form
    26,141.73/36,078.70 = 15,531.41/x
  3. Step 3: Cross multiply
    26,141.73x = 36,078.70 × 15,531.41
  4. Step 4: Simplify right side
    26,141.73x = 560,352,952.94
  5. Step 5: Solve for x
    x = 560,352,952.94/26,141.73
  6. Step 6: Final answer
    x = 21,435.19

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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.