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Finding the Fourth Proportional to 17,727.42, 26,381.84 and 17,136.84

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Solution

The fourth proportional to 17,727.42, 26,381.84 and 17,136.84 is: 25,502.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,727.42 : 26,381.84 = 17,136.84 : x
  2. Step 2: Convert to fraction form
    17,727.42/26,381.84 = 17,136.84/x
  3. Step 3: Cross multiply
    17,727.42x = 26,381.84 × 17,136.84
  4. Step 4: Simplify right side
    17,727.42x = 452,101,370.99
  5. Step 5: Solve for x
    x = 452,101,370.99/17,727.42
  6. Step 6: Final answer
    x = 25,502.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.