Home / 17,656.76-26,489.22-5,177.75

Finding the Fourth Proportional to 17,656.76, 26,489.22 and 5,177.75

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Solution

The fourth proportional to 17,656.76, 26,489.22 and 5,177.75 is: 7,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,656.76 : 26,489.22 = 5,177.75 : x
  2. Step 2: Convert to fraction form
    17,656.76/26,489.22 = 5,177.75/x
  3. Step 3: Cross multiply
    17,656.76x = 26,489.22 × 5,177.75
  4. Step 4: Simplify right side
    17,656.76x = 137,154,426.41
  5. Step 5: Solve for x
    x = 137,154,426.41/17,656.76
  6. Step 6: Final answer
    x = 7,767.82

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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.