Home / 17,785.47-26,677.96-5,305.57

Finding the Fourth Proportional to 17,785.47, 26,677.96 and 5,305.57

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Solution

The fourth proportional to 17,785.47, 26,677.96 and 5,305.57 is: 7,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,785.47 : 26,677.96 = 5,305.57 : x
  2. Step 2: Convert to fraction form
    17,785.47/26,677.96 = 5,305.57/x
  3. Step 3: Cross multiply
    17,785.47x = 26,677.96 × 5,305.57
  4. Step 4: Simplify right side
    17,785.47x = 141,541,704.28
  5. Step 5: Solve for x
    x = 141,541,704.28/17,785.47
  6. Step 6: Final answer
    x = 7,958.28

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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.