Home / 26,787.40-36,956.58-15,448.84

Finding the Fourth Proportional to 26,787.40, 36,956.58 and 15,448.84

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Solution

The fourth proportional to 26,787.40, 36,956.58 and 15,448.84 is: 21,313.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.40 : 36,956.58 = 15,448.84 : x
  2. Step 2: Convert to fraction form
    26,787.40/36,956.58 = 15,448.84/x
  3. Step 3: Cross multiply
    26,787.40x = 36,956.58 × 15,448.84
  4. Step 4: Simplify right side
    26,787.40x = 570,936,291.37
  5. Step 5: Solve for x
    x = 570,936,291.37/26,787.40
  6. Step 6: Final answer
    x = 21,313.61

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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.