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Finding the Fourth Proportional to 17,813.84, 26,727.80 and 5,502.80

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Solution

The fourth proportional to 17,813.84, 26,727.80 and 5,502.80 is: 8,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,813.84 : 26,727.80 = 5,502.80 : x
  2. Step 2: Convert to fraction form
    17,813.84/26,727.80 = 5,502.80/x
  3. Step 3: Cross multiply
    17,813.84x = 26,727.80 × 5,502.80
  4. Step 4: Simplify right side
    17,813.84x = 147,077,737.84
  5. Step 5: Solve for x
    x = 147,077,737.84/17,813.84
  6. Step 6: Final answer
    x = 8,256.37

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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.