Home / 26,259.68-39,372.10-13,764.62

Finding the Fourth Proportional to 26,259.68, 39,372.10 and 13,764.62

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Solution

The fourth proportional to 26,259.68, 39,372.10 and 13,764.62 is: 20,637.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,259.68 : 39,372.10 = 13,764.62 : x
  2. Step 2: Convert to fraction form
    26,259.68/39,372.10 = 13,764.62/x
  3. Step 3: Cross multiply
    26,259.68x = 39,372.10 × 13,764.62
  4. Step 4: Simplify right side
    26,259.68x = 541,941,995.10
  5. Step 5: Solve for x
    x = 541,941,995.10/26,259.68
  6. Step 6: Final answer
    x = 20,637.80

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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.