Home / 25,352.10-38,028.15-12,205.80

Finding the Fourth Proportional to 25,352.10, 38,028.15 and 12,205.80

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Solution

The fourth proportional to 25,352.10, 38,028.15 and 12,205.80 is: 18,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,352.10 : 38,028.15 = 12,205.80 : x
  2. Step 2: Convert to fraction form
    25,352.10/38,028.15 = 12,205.80/x
  3. Step 3: Cross multiply
    25,352.10x = 38,028.15 × 12,205.80
  4. Step 4: Simplify right side
    25,352.10x = 464,163,993.27
  5. Step 5: Solve for x
    x = 464,163,993.27/25,352.10
  6. Step 6: Final answer
    x = 18,308.70

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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.