Home / 26,809.40-36,999.60-14,872.76

Finding the Fourth Proportional to 26,809.40, 36,999.60 and 14,872.76

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Solution

The fourth proportional to 26,809.40, 36,999.60 and 14,872.76 is: 20,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.40 : 36,999.60 = 14,872.76 : x
  2. Step 2: Convert to fraction form
    26,809.40/36,999.60 = 14,872.76/x
  3. Step 3: Cross multiply
    26,809.40x = 36,999.60 × 14,872.76
  4. Step 4: Simplify right side
    26,809.40x = 550,286,170.90
  5. Step 5: Solve for x
    x = 550,286,170.90/26,809.40
  6. Step 6: Final answer
    x = 20,525.87

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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.