Home / 28,860.94-43,295.73-10,143.19

Finding the Fourth Proportional to 28,860.94, 43,295.73 and 10,143.19

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Solution

The fourth proportional to 28,860.94, 43,295.73 and 10,143.19 is: 15,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.94 : 43,295.73 = 10,143.19 : x
  2. Step 2: Convert to fraction form
    28,860.94/43,295.73 = 10,143.19/x
  3. Step 3: Cross multiply
    28,860.94x = 43,295.73 × 10,143.19
  4. Step 4: Simplify right side
    28,860.94x = 439,156,815.58
  5. Step 5: Solve for x
    x = 439,156,815.58/28,860.94
  6. Step 6: Final answer
    x = 15,216.30

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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.