Home / 26,944.11-40,421.03-12,159.99

Finding the Fourth Proportional to 26,944.11, 40,421.03 and 12,159.99

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Solution

The fourth proportional to 26,944.11, 40,421.03 and 12,159.99 is: 18,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,944.11 : 40,421.03 = 12,159.99 : x
  2. Step 2: Convert to fraction form
    26,944.11/40,421.03 = 12,159.99/x
  3. Step 3: Cross multiply
    26,944.11x = 40,421.03 × 12,159.99
  4. Step 4: Simplify right side
    26,944.11x = 491,519,259.79
  5. Step 5: Solve for x
    x = 491,519,259.79/26,944.11
  6. Step 6: Final answer
    x = 18,242.18

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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.