Home / 25,137.13-34,687.88-14,382.21

Finding the Fourth Proportional to 25,137.13, 34,687.88 and 14,382.21

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Solution

The fourth proportional to 25,137.13, 34,687.88 and 14,382.21 is: 19,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,137.13 : 34,687.88 = 14,382.21 : x
  2. Step 2: Convert to fraction form
    25,137.13/34,687.88 = 14,382.21/x
  3. Step 3: Cross multiply
    25,137.13x = 34,687.88 × 14,382.21
  4. Step 4: Simplify right side
    25,137.13x = 498,888,410.57
  5. Step 5: Solve for x
    x = 498,888,410.57/25,137.13
  6. Step 6: Final answer
    x = 19,846.68

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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.