Home / 26,136.45-36,064.11-15,381.87

Finding the Fourth Proportional to 26,136.45, 36,064.11 and 15,381.87

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Solution

The fourth proportional to 26,136.45, 36,064.11 and 15,381.87 is: 21,224.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,136.45 : 36,064.11 = 15,381.87 : x
  2. Step 2: Convert to fraction form
    26,136.45/36,064.11 = 15,381.87/x
  3. Step 3: Cross multiply
    26,136.45x = 36,064.11 × 15,381.87
  4. Step 4: Simplify right side
    26,136.45x = 554,733,451.69
  5. Step 5: Solve for x
    x = 554,733,451.69/26,136.45
  6. Step 6: Final answer
    x = 21,224.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.