Home / 26,530.68-39,796.20-12,637.56

Finding the Fourth Proportional to 26,530.68, 39,796.20 and 12,637.56

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Solution

The fourth proportional to 26,530.68, 39,796.20 and 12,637.56 is: 18,956.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,530.68 : 39,796.20 = 12,637.56 : x
  2. Step 2: Convert to fraction form
    26,530.68/39,796.20 = 12,637.56/x
  3. Step 3: Cross multiply
    26,530.68x = 39,796.20 × 12,637.56
  4. Step 4: Simplify right side
    26,530.68x = 502,926,865.27
  5. Step 5: Solve for x
    x = 502,926,865.27/26,530.68
  6. Step 6: Final answer
    x = 18,956.43

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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.