Home / 26,829.87-40,201.04-13,664.13

Finding the Fourth Proportional to 26,829.87, 40,201.04 and 13,664.13

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Solution

The fourth proportional to 26,829.87, 40,201.04 and 13,664.13 is: 20,473.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.87 : 40,201.04 = 13,664.13 : x
  2. Step 2: Convert to fraction form
    26,829.87/40,201.04 = 13,664.13/x
  3. Step 3: Cross multiply
    26,829.87x = 40,201.04 × 13,664.13
  4. Step 4: Simplify right side
    26,829.87x = 549,311,967.37
  5. Step 5: Solve for x
    x = 549,311,967.37/26,829.87
  6. Step 6: Final answer
    x = 20,473.90

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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.