Home / 26,932.46-40,398.72-12,889.18

Finding the Fourth Proportional to 26,932.46, 40,398.72 and 12,889.18

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Solution

The fourth proportional to 26,932.46, 40,398.72 and 12,889.18 is: 19,333.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.46 : 40,398.72 = 12,889.18 : x
  2. Step 2: Convert to fraction form
    26,932.46/40,398.72 = 12,889.18/x
  3. Step 3: Cross multiply
    26,932.46x = 40,398.72 × 12,889.18
  4. Step 4: Simplify right side
    26,932.46x = 520,706,373.85
  5. Step 5: Solve for x
    x = 520,706,373.85/26,932.46
  6. Step 6: Final answer
    x = 19,333.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.