Home / 26,788.12-40,159.49-16,378

Finding the Fourth Proportional to 26,788.12, 40,159.49 and 16,378

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Solution

The fourth proportional to 26,788.12, 40,159.49 and 16,378 is: 24,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.12 : 40,159.49 = 16,378 : x
  2. Step 2: Convert to fraction form
    26,788.12/40,159.49 = 16,378/x
  3. Step 3: Cross multiply
    26,788.12x = 40,159.49 × 16,378
  4. Step 4: Simplify right side
    26,788.12x = 657,732,127.22
  5. Step 5: Solve for x
    x = 657,732,127.22/26,788.12
  6. Step 6: Final answer
    x = 24,553.13

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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.