Home / 30,016.83-41,428.98-17,278.59

Finding the Fourth Proportional to 30,016.83, 41,428.98 and 17,278.59

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Solution

The fourth proportional to 30,016.83, 41,428.98 and 17,278.59 is: 23,847.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,016.83 : 41,428.98 = 17,278.59 : x
  2. Step 2: Convert to fraction form
    30,016.83/41,428.98 = 17,278.59/x
  3. Step 3: Cross multiply
    30,016.83x = 41,428.98 × 17,278.59
  4. Step 4: Simplify right side
    30,016.83x = 715,834,359.54
  5. Step 5: Solve for x
    x = 715,834,359.54/30,016.83
  6. Step 6: Final answer
    x = 23,847.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.