Home / 25,429.98-38,119.62-12,079.56

Finding the Fourth Proportional to 25,429.98, 38,119.62 and 12,079.56

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Solution

The fourth proportional to 25,429.98, 38,119.62 and 12,079.56 is: 18,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,429.98 : 38,119.62 = 12,079.56 : x
  2. Step 2: Convert to fraction form
    25,429.98/38,119.62 = 12,079.56/x
  3. Step 3: Cross multiply
    25,429.98x = 38,119.62 × 12,079.56
  4. Step 4: Simplify right side
    25,429.98x = 460,468,236.97
  5. Step 5: Solve for x
    x = 460,468,236.97/25,429.98
  6. Step 6: Final answer
    x = 18,107.30

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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.