Home / 26,630.97-39,908.39-19,555.47

Finding the Fourth Proportional to 26,630.97, 39,908.39 and 19,555.47

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Solution

The fourth proportional to 26,630.97, 39,908.39 and 19,555.47 is: 29,305.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,630.97 : 39,908.39 = 19,555.47 : x
  2. Step 2: Convert to fraction form
    26,630.97/39,908.39 = 19,555.47/x
  3. Step 3: Cross multiply
    26,630.97x = 39,908.39 × 19,555.47
  4. Step 4: Simplify right side
    26,630.97x = 780,427,225.62
  5. Step 5: Solve for x
    x = 780,427,225.62/26,630.97
  6. Step 6: Final answer
    x = 29,305.25

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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.