Home / 26,454.74-39,684.38-8,680.05

Finding the Fourth Proportional to 26,454.74, 39,684.38 and 8,680.05

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Solution

The fourth proportional to 26,454.74, 39,684.38 and 8,680.05 is: 13,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,454.74 : 39,684.38 = 8,680.05 : x
  2. Step 2: Convert to fraction form
    26,454.74/39,684.38 = 8,680.05/x
  3. Step 3: Cross multiply
    26,454.74x = 39,684.38 × 8,680.05
  4. Step 4: Simplify right side
    26,454.74x = 344,462,359.22
  5. Step 5: Solve for x
    x = 344,462,359.22/26,454.74
  6. Step 6: Final answer
    x = 13,020.82

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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.