Home / 17,420.25-26,109.26-8,040.75

Finding the Fourth Proportional to 17,420.25, 26,109.26 and 8,040.75

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Solution

The fourth proportional to 17,420.25, 26,109.26 and 8,040.75 is: 12,051.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420.25 : 26,109.26 = 8,040.75 : x
  2. Step 2: Convert to fraction form
    17,420.25/26,109.26 = 8,040.75/x
  3. Step 3: Cross multiply
    17,420.25x = 26,109.26 × 8,040.75
  4. Step 4: Simplify right side
    17,420.25x = 209,937,992.14
  5. Step 5: Solve for x
    x = 209,937,992.14/17,420.25
  6. Step 6: Final answer
    x = 12,051.38

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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.