Home / 28,043.09-41,965.89-17,518.07

Finding the Fourth Proportional to 28,043.09, 41,965.89 and 17,518.07

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Solution

The fourth proportional to 28,043.09, 41,965.89 and 17,518.07 is: 26,215.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.09 : 41,965.89 = 17,518.07 : x
  2. Step 2: Convert to fraction form
    28,043.09/41,965.89 = 17,518.07/x
  3. Step 3: Cross multiply
    28,043.09x = 41,965.89 × 17,518.07
  4. Step 4: Simplify right side
    28,043.09x = 735,161,188.80
  5. Step 5: Solve for x
    x = 735,161,188.80/28,043.09
  6. Step 6: Final answer
    x = 26,215.42

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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.