Home / 26,932.32-40,398.50-12,889.05

Finding the Fourth Proportional to 26,932.32, 40,398.50 and 12,889.05

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Solution

The fourth proportional to 26,932.32, 40,398.50 and 12,889.05 is: 19,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,932.32 : 40,398.50 = 12,889.05 : x
  2. Step 2: Convert to fraction form
    26,932.32/40,398.50 = 12,889.05/x
  3. Step 3: Cross multiply
    26,932.32x = 40,398.50 × 12,889.05
  4. Step 4: Simplify right side
    26,932.32x = 520,698,286.43
  5. Step 5: Solve for x
    x = 520,698,286.43/26,932.32
  6. Step 6: Final answer
    x = 19,333.58

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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.