Home / 25,084.80-37,613.84-8,439.30

Finding the Fourth Proportional to 25,084.80, 37,613.84 and 8,439.30

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Solution

The fourth proportional to 25,084.80, 37,613.84 and 8,439.30 is: 12,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,084.80 : 37,613.84 = 8,439.30 : x
  2. Step 2: Convert to fraction form
    25,084.80/37,613.84 = 8,439.30/x
  3. Step 3: Cross multiply
    25,084.80x = 37,613.84 × 8,439.30
  4. Step 4: Simplify right side
    25,084.80x = 317,434,437.72
  5. Step 5: Solve for x
    x = 317,434,437.72/25,084.80
  6. Step 6: Final answer
    x = 12,654.45

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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.