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Finding the Fourth Proportional to 17,625.40, 26,459.70 and 17,495.80

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Solution

The fourth proportional to 17,625.40, 26,459.70 and 17,495.80 is: 26,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.40 : 26,459.70 = 17,495.80 : x
  2. Step 2: Convert to fraction form
    17,625.40/26,459.70 = 17,495.80/x
  3. Step 3: Cross multiply
    17,625.40x = 26,459.70 × 17,495.80
  4. Step 4: Simplify right side
    17,625.40x = 462,933,619.26
  5. Step 5: Solve for x
    x = 462,933,619.26/17,625.40
  6. Step 6: Final answer
    x = 26,265.14

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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.