Home / 26,677.15-36,815.24-15,928.31

Finding the Fourth Proportional to 26,677.15, 36,815.24 and 15,928.31

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Solution

The fourth proportional to 26,677.15, 36,815.24 and 15,928.31 is: 21,981.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,677.15 : 36,815.24 = 15,928.31 : x
  2. Step 2: Convert to fraction form
    26,677.15/36,815.24 = 15,928.31/x
  3. Step 3: Cross multiply
    26,677.15x = 36,815.24 × 15,928.31
  4. Step 4: Simplify right side
    26,677.15x = 586,404,687.30
  5. Step 5: Solve for x
    x = 586,404,687.30/26,677.15
  6. Step 6: Final answer
    x = 21,981.54

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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.