Home / 19,046.95-28,589.56-15,578.12

Finding the Fourth Proportional to 19,046.95, 28,589.56 and 15,578.12

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Solution

The fourth proportional to 19,046.95, 28,589.56 and 15,578.12 is: 23,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.95 : 28,589.56 = 15,578.12 : x
  2. Step 2: Convert to fraction form
    19,046.95/28,589.56 = 15,578.12/x
  3. Step 3: Cross multiply
    19,046.95x = 28,589.56 × 15,578.12
  4. Step 4: Simplify right side
    19,046.95x = 445,371,628.96
  5. Step 5: Solve for x
    x = 445,371,628.96/19,046.95
  6. Step 6: Final answer
    x = 23,382.83

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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.