Home / 26,655.96-39,972.24-14,172.96

Finding the Fourth Proportional to 26,655.96, 39,972.24 and 14,172.96

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Solution

The fourth proportional to 26,655.96, 39,972.24 and 14,172.96 is: 21,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,655.96 : 39,972.24 = 14,172.96 : x
  2. Step 2: Convert to fraction form
    26,655.96/39,972.24 = 14,172.96/x
  3. Step 3: Cross multiply
    26,655.96x = 39,972.24 × 14,172.96
  4. Step 4: Simplify right side
    26,655.96x = 566,524,958.63
  5. Step 5: Solve for x
    x = 566,524,958.63/26,655.96
  6. Step 6: Final answer
    x = 21,253.22

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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.