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Finding the Fourth Proportional to 17,625.30, 26,437.80 and 4,477.50

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Solution

The fourth proportional to 17,625.30, 26,437.80 and 4,477.50 is: 6,716.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,625.30 : 26,437.80 = 4,477.50 : x
  2. Step 2: Convert to fraction form
    17,625.30/26,437.80 = 4,477.50/x
  3. Step 3: Cross multiply
    17,625.30x = 26,437.80 × 4,477.50
  4. Step 4: Simplify right side
    17,625.30x = 118,375,249.50
  5. Step 5: Solve for x
    x = 118,375,249.50/17,625.30
  6. Step 6: Final answer
    x = 6,716.21

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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.