Home / 17,790.28-26,820.49-16,837.72

Finding the Fourth Proportional to 17,790.28, 26,820.49 and 16,837.72

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Solution

The fourth proportional to 17,790.28, 26,820.49 and 16,837.72 is: 25,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.28 : 26,820.49 = 16,837.72 : x
  2. Step 2: Convert to fraction form
    17,790.28/26,820.49 = 16,837.72/x
  3. Step 3: Cross multiply
    17,790.28x = 26,820.49 × 16,837.72
  4. Step 4: Simplify right side
    17,790.28x = 451,595,900.88
  5. Step 5: Solve for x
    x = 451,595,900.88/17,790.28
  6. Step 6: Final answer
    x = 25,384.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.