Home / 25,245.80-34,872.08-20,483.44

Finding the Fourth Proportional to 25,245.80, 34,872.08 and 20,483.44

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Solution

The fourth proportional to 25,245.80, 34,872.08 and 20,483.44 is: 28,293.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.80 : 34,872.08 = 20,483.44 : x
  2. Step 2: Convert to fraction form
    25,245.80/34,872.08 = 20,483.44/x
  3. Step 3: Cross multiply
    25,245.80x = 34,872.08 × 20,483.44
  4. Step 4: Simplify right side
    25,245.80x = 714,300,158.36
  5. Step 5: Solve for x
    x = 714,300,158.36/25,245.80
  6. Step 6: Final answer
    x = 28,293.82

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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.