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Finding the Fourth Proportional to 17,912, 26,868.08 and 5,600

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Solution

The fourth proportional to 17,912, 26,868.08 and 5,600 is: 8,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912 : 26,868.08 = 5,600 : x
  2. Step 2: Convert to fraction form
    17,912/26,868.08 = 5,600/x
  3. Step 3: Cross multiply
    17,912x = 26,868.08 × 5,600
  4. Step 4: Simplify right side
    17,912x = 150,461,248
  5. Step 5: Solve for x
    x = 150,461,248/17,912
  6. Step 6: Final answer
    x = 8,400.03

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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.