Home / 26,929.80-40,418.70-15,822.60

Finding the Fourth Proportional to 26,929.80, 40,418.70 and 15,822.60

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Solution

The fourth proportional to 26,929.80, 40,418.70 and 15,822.60 is: 23,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,929.80 : 40,418.70 = 15,822.60 : x
  2. Step 2: Convert to fraction form
    26,929.80/40,418.70 = 15,822.60/x
  3. Step 3: Cross multiply
    26,929.80x = 40,418.70 × 15,822.60
  4. Step 4: Simplify right side
    26,929.80x = 639,528,922.62
  5. Step 5: Solve for x
    x = 639,528,922.62/26,929.80
  6. Step 6: Final answer
    x = 23,748.00

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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.