Home / 26,722.70-36,878.09-14,787.14

Finding the Fourth Proportional to 26,722.70, 36,878.09 and 14,787.14

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Solution

The fourth proportional to 26,722.70, 36,878.09 and 14,787.14 is: 20,406.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,722.70 : 36,878.09 = 14,787.14 : x
  2. Step 2: Convert to fraction form
    26,722.70/36,878.09 = 14,787.14/x
  3. Step 3: Cross multiply
    26,722.70x = 36,878.09 × 14,787.14
  4. Step 4: Simplify right side
    26,722.70x = 545,321,221.44
  5. Step 5: Solve for x
    x = 545,321,221.44/26,722.70
  6. Step 6: Final answer
    x = 20,406.67

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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.