Home / 36,290.80-54,436.20-15,516.40

Finding the Fourth Proportional to 36,290.80, 54,436.20 and 15,516.40

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Solution

The fourth proportional to 36,290.80, 54,436.20 and 15,516.40 is: 23,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.80 : 54,436.20 = 15,516.40 : x
  2. Step 2: Convert to fraction form
    36,290.80/54,436.20 = 15,516.40/x
  3. Step 3: Cross multiply
    36,290.80x = 54,436.20 × 15,516.40
  4. Step 4: Simplify right side
    36,290.80x = 844,653,853.68
  5. Step 5: Solve for x
    x = 844,653,853.68/36,290.80
  6. Step 6: Final answer
    x = 23,274.60

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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.