Home / 26,822.52-40,215.42-13,649.40

Finding the Fourth Proportional to 26,822.52, 40,215.42 and 13,649.40

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Solution

The fourth proportional to 26,822.52, 40,215.42 and 13,649.40 is: 20,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,822.52 : 40,215.42 = 13,649.40 : x
  2. Step 2: Convert to fraction form
    26,822.52/40,215.42 = 13,649.40/x
  3. Step 3: Cross multiply
    26,822.52x = 40,215.42 × 13,649.40
  4. Step 4: Simplify right side
    26,822.52x = 548,916,353.75
  5. Step 5: Solve for x
    x = 548,916,353.75/26,822.52
  6. Step 6: Final answer
    x = 20,464.76

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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.