Home / 17,722.40-26,374.40-17,131.84

Finding the Fourth Proportional to 17,722.40, 26,374.40 and 17,131.84

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Solution

The fourth proportional to 17,722.40, 26,374.40 and 17,131.84 is: 25,495.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,722.40 : 26,374.40 = 17,131.84 : x
  2. Step 2: Convert to fraction form
    17,722.40/26,374.40 = 17,131.84/x
  3. Step 3: Cross multiply
    17,722.40x = 26,374.40 × 17,131.84
  4. Step 4: Simplify right side
    17,722.40x = 451,842,000.90
  5. Step 5: Solve for x
    x = 451,842,000.90/17,722.40
  6. Step 6: Final answer
    x = 25,495.53

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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.