Home / 36,299.25-54,397.80-28,870.74

Finding the Fourth Proportional to 36,299.25, 54,397.80 and 28,870.74

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Solution

The fourth proportional to 36,299.25, 54,397.80 and 28,870.74 is: 43,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,299.25 : 54,397.80 = 28,870.74 : x
  2. Step 2: Convert to fraction form
    36,299.25/54,397.80 = 28,870.74/x
  3. Step 3: Cross multiply
    36,299.25x = 54,397.80 × 28,870.74
  4. Step 4: Simplify right side
    36,299.25x = 1,570,504,740.37
  5. Step 5: Solve for x
    x = 1,570,504,740.37/36,299.25
  6. Step 6: Final answer
    x = 43,265.49

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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.