Home / 28,277.87-39,028.25-16,348.14

Finding the Fourth Proportional to 28,277.87, 39,028.25 and 16,348.14

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Solution

The fourth proportional to 28,277.87, 39,028.25 and 16,348.14 is: 22,563.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,277.87 : 39,028.25 = 16,348.14 : x
  2. Step 2: Convert to fraction form
    28,277.87/39,028.25 = 16,348.14/x
  3. Step 3: Cross multiply
    28,277.87x = 39,028.25 × 16,348.14
  4. Step 4: Simplify right side
    28,277.87x = 638,039,335.83
  5. Step 5: Solve for x
    x = 638,039,335.83/28,277.87
  6. Step 6: Final answer
    x = 22,563.21

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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.