Home / 27,996.41-38,621.44-17,916.77

Finding the Fourth Proportional to 27,996.41, 38,621.44 and 17,916.77

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Solution

The fourth proportional to 27,996.41, 38,621.44 and 17,916.77 is: 24,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,996.41 : 38,621.44 = 17,916.77 : x
  2. Step 2: Convert to fraction form
    27,996.41/38,621.44 = 17,916.77/x
  3. Step 3: Cross multiply
    27,996.41x = 38,621.44 × 17,916.77
  4. Step 4: Simplify right side
    27,996.41x = 691,971,509.31
  5. Step 5: Solve for x
    x = 691,971,509.31/27,996.41
  6. Step 6: Final answer
    x = 24,716.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.