Home / 28,046.12-42,087.43-14,907.71

Finding the Fourth Proportional to 28,046.12, 42,087.43 and 14,907.71

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Solution

The fourth proportional to 28,046.12, 42,087.43 and 14,907.71 is: 22,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.12 : 42,087.43 = 14,907.71 : x
  2. Step 2: Convert to fraction form
    28,046.12/42,087.43 = 14,907.71/x
  3. Step 3: Cross multiply
    28,046.12x = 42,087.43 × 14,907.71
  4. Step 4: Simplify right side
    28,046.12x = 627,427,324.94
  5. Step 5: Solve for x
    x = 627,427,324.94/28,046.12
  6. Step 6: Final answer
    x = 22,371.27

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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.