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Finding the Fourth Proportional to 17,910.01, 26,855.36 and 13,739.72

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Solution

The fourth proportional to 17,910.01, 26,855.36 and 13,739.72 is: 20,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,910.01 : 26,855.36 = 13,739.72 : x
  2. Step 2: Convert to fraction form
    17,910.01/26,855.36 = 13,739.72/x
  3. Step 3: Cross multiply
    17,910.01x = 26,855.36 × 13,739.72
  4. Step 4: Simplify right side
    17,910.01x = 368,985,126.90
  5. Step 5: Solve for x
    x = 368,985,126.90/17,910.01
  6. Step 6: Final answer
    x = 20,602.17

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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.