Home / 26,864.32-40,321.12-14,398.42

Finding the Fourth Proportional to 26,864.32, 40,321.12 and 14,398.42

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Solution

The fourth proportional to 26,864.32, 40,321.12 and 14,398.42 is: 21,610.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,864.32 : 40,321.12 = 14,398.42 : x
  2. Step 2: Convert to fraction form
    26,864.32/40,321.12 = 14,398.42/x
  3. Step 3: Cross multiply
    26,864.32x = 40,321.12 × 14,398.42
  4. Step 4: Simplify right side
    26,864.32x = 580,560,420.63
  5. Step 5: Solve for x
    x = 580,560,420.63/26,864.32
  6. Step 6: Final answer
    x = 21,610.84

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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.