Home / 26,780.90-36,957.26-15,450.41

Finding the Fourth Proportional to 26,780.90, 36,957.26 and 15,450.41

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Solution

The fourth proportional to 26,780.90, 36,957.26 and 15,450.41 is: 21,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.90 : 36,957.26 = 15,450.41 : x
  2. Step 2: Convert to fraction form
    26,780.90/36,957.26 = 15,450.41/x
  3. Step 3: Cross multiply
    26,780.90x = 36,957.26 × 15,450.41
  4. Step 4: Simplify right side
    26,780.90x = 571,004,950.50
  5. Step 5: Solve for x
    x = 571,004,950.50/26,780.90
  6. Step 6: Final answer
    x = 21,321.35

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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.